Mendel carried out a dihybrid cross to examine the inheritance of the characteristics for seed color and seed shape. The dominant allele for yellow seed color is Y, and the recessive allele for green color is y. The dominant allele for round seeds is R, and the recessive allele for a wrinkled shape is r. The two plants that were crossed were F1 dihybrids RrYy. Identify the ratios of traits that Mendel observed in the F2 generation. Create a Punnett square to help you answer the question.
Simply create a dihybrid cross, and then create ratios from the outcomes. Remember that ratios only come from the bottom part of any fractions *If you need more help on dihybrid crosses I can send an example image
Dihybrid cross is a experiment including mating between two organisms, that are identically hybrid for two traits. The ratios of traits in F2 generation will be 9:3:3:1.
What is Punnett square?Punnett square is the square diagram used to identify the genotype of the cross in experiment.
Genotype is the collection of genes and phenotype is the physical appearance of the individual. The Punnette square for the given case will be creates as given in the image attached.
Thus, the ratio of traits will be 9:3:3:1 in the F2 generation.
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is the average temperature of earth increasing? How do you know?
Answer:
yes
Explanation:
Increased about 1 degree C
A phase change diagram for water is shown below. The star on the diagram represents the temperature and pressure of some water vapor that a scientist has placed in a special container.
The scientist wants to make changes to the container that will allow the container to have some liquid water, some ice, and some water vapor at the same time. What change should the scientist make to the container?
A.
The temperature should not be changed, but the pressure should be increased.
B.
The temperature should not be changed, but the pressure should be decreased.
C.
The temperature should be increased, but the pressure should not be changed.
D.
The temperature should be decreased, but the pressure should not be changed.
The temperature should be decreased, but the pressure should not be changed.
What is Temperature and Pressure relation ?In contrast, as a gas's pressure falls, its volume rises as a result of the gas's ability to spread its particles farther apart. Because the volume of the gas has risen, weather balloons become larger as they ascend through the sky to lower pressure areas.
This is because when the atmospheric gas exerts less pressure on the balloon's surface, the inside gas expands until the internal and external pressures are equal.
Some of the early studies that established the quantitative relationship between the pressure and volume of a gas were done by the Irish chemist Robert Boyle (1627-1691).
Therefore, The temperature should be decreased, but the pressure should not be changed.
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Plants alter their generations by switching between
phases.
Answer:
This is false. They alter their generations by giving birth to newborn plants. they do not alter their generations by switching between phases.
Explanation:
what are the uses of compases?
Answer:
to tell directions
Explanation:
find your way
Answer:
Locate places
The hardest question ever: What is truth?
What kind of reservoir shaped a lot of the Grand Canyon? How do you know?
i can't find science so this will be kind of out of place. this is 6th grade work
25 points!!!!
Number 1 of the cell in the image below is the
Answer:
it looks like chloroplast is this a plant or animal cell?
Explanation:
Which statement describes a way lava usually affects the shape of a shield volcano?(1 point)
Thick lava flows a long distance before cooling, forming steeply sloping sides.
Thick lava flows a short distance before cooling, forming gently sloping sides.
Thin lava flows a long distance before cooling, forming gently sloping sides.
Thin lava flows a short distance before cooling, forming steeply sloping sides.
Answer:
Shield volcanoes form very large, gently sloped mounds from effusive eruptions sorry if i got it wrong [tex]\leq[/tex]3
Answer:
Answer: C. Thin lava flows a long distance before cooling, forming gently sloping sides.
Explanation:
let me know if I am wrong.
Superhero DNA
1. What determines a person’s super hero ability?
2. If the DNA sequence were to change, what would this be called?
3. What are proteins and what do they code for?
What molecule that is created during photosynthesis provides energy for cellular processes?
chlorophyll
ATP
oxygen
glucose
Answer:
D. glucose.
Explanation:
I don't have any info on it so, hope this helps.
What factors determine the type of rocks that forms underground?
Answer:
the two main functions are temprature and functions
The atoms of gaseous helium are
A.
close together, moving around one another.
B.
far apart, moving fast, and bouncing off the container walls.
C.
close together, vibrating in a rigid structure.
D.
not moving at all.
Answer:
B) far apart, moving fast, and bouncing off the container walls
Explanation:
Gases molecules are the fastest moving matter and the most spread out.
Describe the main difference between passive and active transport
Answer:
In Active transport the molecules are moved across the cell membrane, pumping the molecules against the concentration gradient using ATP (energy). In Passive transport, the molecules are moved within and across the cell membrane and thus transporting it through the concentration gradient, without using ATP (energy).
Explanation:
hope it is hopeful
If a purple-flowered, short-stemmed plant is crossed with a white-flowered, long-stemmed plant, would all of the purple-flowered offspring also have short stems? Why or why not? Plz give explanation
No. Not all of the offspring would have Purple-flowered, short-stemmed plant.
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant.
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant.
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant.
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant. Purple - dominant (P)
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant. Purple - dominant (P) Long/tall - dominant (T)
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant. Purple - dominant (P) Long/tall - dominant (T) White - recessive (p)
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant. Purple - dominant (P) Long/tall - dominant (T) White - recessive (p) Short - recessive (t)
No. Not all of the offspring would have Purple-flowered, short-stemmed plant. Only 50% of offsprings would have Purple-flowered, short-stemmed plant, and the other half would be Purple-flowered, tall/long-stemmed plant. Purple - dominant (P) Long/tall - dominant (T) White - recessive (p) Short - recessive (t) (P)(P)(t)(t) x (p)(p)(T)(t) <<< (Hömözygous Purple + Höm0zygous short * H0mòzygous white + Heterozygous Tall/Long)
zygous white + Heterozygous Tall/Long) (P)(p) (T)(t)
zygous white + Heterozygous Tall/Long) (P)(p) (T)(t) (P) (p)(t)(t)
zygous white + Heterozygous Tall/Long) (P)(p) (T)(t) (P) (p)(t)(t)=50 % purple flowered, tall/long-stemmed plant
zygous white + Heterozygous Tall/Long) (P)(p) (T)(t) (P) (p)(t)(t)=50 % purple flowered, tall/long-stemmed plant50% purple flowered, short-stemmed plant
zygous white + Heterozygous Tall/Long) (P)(p) (T)(t) (P) (p)(t)(t)=50 % purple flowered, tall/long-stemmed plant50% purple flowered, short-stemmed plantGenotype: Heterozygous Purple + Heterozygous Tall/long and Heterozygous Purple + H0mózygous short
zygous short Phenotype: Half of the offsprings are Purple-flowered, long-stemmed plant and other half Purple-flowered, short-stemmed plant
zygous short Phenotype: Half of the offsprings are Purple-flowered, long-stemmed plant and other half Purple-flowered, short-stemmed plant
Outline the pathway of a breath of air from the nose to the alveoli.
Answer:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
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Air travels through the following structures on its path to the alveoli (the site of gas exchange): nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles.
What is breathing?The trachea (windpipe), which is further separated into bronchial tubes, receives it from there. Bronchioles are another division of the bronchial tube, the little alveoli structure is where the bronchioles eventually come to a stop.
Through our noses, we breathe air into our bodies, after then, it moves via the larynx, pharynx, and nasal cavity before entering the windpipe, also known as the trachea.
Therefore, air enters both lungs through bronchi that branch off of the trachea.
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PHYSIOLOGY:
What can happen if the endocrine system malfunctions?
Explanation:
Your endocrine system releases the hormones in your body that controls your cells. The endocrine system is responsible for your growth. As a result of having it malfunction, your cells would no longer know when to do important things (such as deliver messages to parts of your body).
Explain the difference between the first day of spring (vernal equinox) and the first day of summer (summer solstice).
I will give you a brainliest!!!!
Answer: Vernal equinox(about March 21): day and night of equal length, marking the start of spring. Summer solstice (June 20 or 21): longest day of the year, marking the start of summer.
vernal = spring
solstice = summer
Answer:
See explanation
Explanation:
The first day of spring (March 20) means the first day of the growing season. it also has some cold temperatures, rain and sun. The first day of summer (June 20 or 21) means the first day of school break. summer has sun, which you will need to wear summer clothes.
vernal = spring
solstice = summer
hope this helps.
What would the seasons on Earth be like if its axis was tilted like Uranus, perpendicular to its orbit? What would the climate at your location be like compared to how it's now?
PLZ Help!! I will give you a brainliest!
Answer:
srry i dont know i wanted points so i can ask my question but good luck
Explanation:
Which of the statement(s) about eclipses is/are true?
A.The moon blocking out sunlight is what causes both a solar eclipse and a lunar eclipse, the difference is a solar eclipse the sun is totally blocked out, but in a lunar eclipse the sun is only partially blocked out.
B. A solar eclipse occurs only during 1st Quarter Moon and a lunar eclipse only occurs during 3rd Quarter Moon.
C.The earth blocking sunlight to the moon is a solar eclipse. The moon blocking sunlight to the earth is a lunar eclipse.
D. A solar eclipse occurs when the moon blocks out the sun casting a shadow on earth. A lunar eclipse is when the earth blocks sunlight casting a shadow on the moon.
Answer:
D.
Explanation:
A. Is wrong because the moon blocking the sun is a solar eclipse while the Earth blocking sunlight to the moon is a lunar eclipse.
B. Is wrong because solar eclipses occur during a new moon.
C. I s wrong because the inverse is true.
Multiple sclerosis is a disease in which the myelin sheaths of neurons in the central nervous system break down. What symptoms might this cause? Why?
Answer:
MS and other demyelinating diseases most commonly result in vision loss, muscle weakness, muscle stiffness and spasms, loss of coordination, change in sensation, pain, and changes in bladder and bowel function.
Explanation:
thats is correct
Answer:
it causes vision to become worse it lowers imune system it causes bad balence and other prolmes
Explanation:
i have ms
someone can you plzzz give me a brainliest
Answer:
yes
Explanation:
Answer:
okay
Explanation:
How could you describe the size of an atom?
A It is so large it is bigger than a tree in the forest.
B It is so small it cannot be seen without magnification.
C It is the size of a grain of sand and can be seen with our eyes.
D It is the size of an apple or a large piece of fruit.
If DNA sequence were to change in super hero's, what would this be called?
*Just for an assignment*
(NO BOTS OR LINKS) Which piece of evidence did Alfred Wegener's original theory of continental drift have access to?
A. seafloor spreading at mid-ocean ridges
B. reversing paleomagnetism in rocks on the ocean floor
C. a seafloor that was geologically active with earthquakes, volcanoes, and mountain chains
D. evidence of ancient tropical swamps in cold regions of North America
Answer:
bro ik i want the same thing but on this website u dont get answers sorry bro if i cant get answers no one can XD
Explanation:
From new moon phase to full moon phase, what do you see?
1. a decreasing amount of the lighted side of the Moon
2. the same amount of the lighted side of the Moon
3. an increasing amount of the lighted side of the Moon
I need an answer ASAP!! I will give you a brainliest!!
Answer: I hope its 3
Explanation:
Answer:
C. An increasing amount of the lighted side of the moon.
Explanation:
From a new moon to a full moon, every lunar phase is lighting up. from a full moon to a new moon, every lunar phase, the light is decreasing.
hope this helped. let me know if I am wrong.
Describe the path cereal takes from eating with the mouth to glucose in the body cells. (Note: For full credit, your answer must include complete sentences, at least 4 organs of the digestive system, 1 organ of the circulatory system and the process involved for going between the digestive and circulatory.)
Answer:
The digestive system converts the foods we eat into their simplest forms, like glucose (sugars), amino acids (that make up protein) or fatty acids (that make up fats). The broken-down food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body.
Explanation:
Observe the two scenarios involving electrically charged objects. Predict what will happen when you bring the objects close together.
Two scenarios with electrically-charged objects. In the first scenario, a negatively charged balloon is brought close to a positively charged soda can. In the second scenario, a negatively charged balloon is brought close to a negatively charged balloon.
The balloon will attract the soda can, while the two balloons will repel each other.
The balloon will attract the soda can, while the two balloons will do nothing.
The balloon will repel the soda can, while the two balloons will also repel each other.
The balloon and soda can will do nothing, while the two balloons will repel each other.
Answer:
the balloon and soda can will do nothing, while the two balloons will repel each other
Explanation:
opposites attract and the soda can is too heavy to be attracted to the balloon
List the differences of Eukaryotic and Prokaryotic cells.
- Thank you :)
Answer:
Eukaryotes are more complex they have a nucleus prokaryotes do not have a nucleus humans fungi plants and protists fall under Eukaryotes and bacteria is an example of prokaryotes
Explanation:
hope this helps :) this took me a while! :)
Describe the path cereal takes from eating with the mouth to glucose in the body cells.
Answer: The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine—which includes the rectum—and anus. Food enters the mouth and passes to the anus through the hollow organs of the GI tract. The liver, pancreas, and gallbladder are the solid organs of the digestive system.
Explanation: