Genetics Problem Solving Chapter 25

Complete question:

You will find the complete problem in the attached files, where all the proposed crosses are detailed.

Answer:

1. Which genotype(s) and phenotype for fur length are dominant?  

2. Which genotype(s) and phenotype for fur length are recessive?

Explanation:

Available data:

CROSSES:

1) Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see what type of offspring?  

Cross:        FF   x   Ff

Gametes) F   F     F   f

Punnet square)   F         F

                  F     FF       FF

                  f      Ff        Ff

F1) Genotype:

     2/4 = 1/2 = 50% FF

     2/4 = 1/2 = 50% Ff

     Phenotype:

    4/4 = 100% Short-fured individuals

2) Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see what type of offspring? Pick 1)

Cross:         Ff   x   Ff

Gametes) F   f      F   f

Punnet square)   F         f

                  F     FF       Ff

                  f      Ff        ff

F1) Genotype:

     1/4 = 25% FF

     2/4 = 1/2 = 50% Ff

     1/4 = 25% ff

     Phenotype:

    3/4 = 75% Short-fured individuals

    1/4 = 25% long-fured individuals

3) Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see what type of offspring? Pick 1)

Cross:        ff   x   ff

Gametes) f   f     f   f

Punnet square)   f         f

                      f     ff       ff

                      f      ff       ff

F1) Genotype:

     4/4 = 100% ff

     Phenotype:

    4/4 = 100% long-fured individuals  

Answer:

Here is an example of my Heredity Lab Report for FLVS if anyone needs it.

Explanation:

(it is a link)

Answer:

190 ATP molecules

Explanation:

Cellular respiration is the process whereby energy (ATP) is obtained in the cells of living organisms by breaking down glucose molecules. Cellular respiration can either be aerobic or anaerobic depending on whether oxygen is present or not.

In the presence of oxygen, aerobic respiration, which consists of three stages namely: glycolysis, Krebs cycle and oxidative phosphorylation, is employed. Per glucose molecule;

- Glycolysis produces 2 ATP molecules,

- Krebs cycle produces 2 ATP molecules

- Oxidative phosphorylation produces 34 ATP molecules

Hence, in total, 38 ATP molecules is produced per glucose molecule in aerobic respiration. According to the question, 5 molecules of glucose will yield 5 × 38 = 190 molecules of ATP.

Answer:

a.

mutualistic root-dwelling fungi that help plants obtain more water and nutrients.

Mycorrhizal fungi are mutualistic root-dwelling fungi that help plants obtain more water and nutrients. The correct option is a.

Mycorrhiza is helpful fungi that grow in close proximity to plant roots and get their moisture and nutrients from the soil in return for sugars from plants. By acting as root system extensions, mycorrhiza considerably expands a plant's absorptive area.

A symbiotic relationship between fungi and plant roots is known as mycorrhizae. Their main function is to increase the host plant's intake of nutrients and water by utilizing more soil than roots alone can.

Depending on the host plant and fungus' taxonomy, mycorrhizae can take on a variety of shapes.

Therefore, the correct option is a. mutualistic root-dwelling fungi that help plants obtain more water and nutrients.

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Answer:

Tissue engineering evolved from the field of biomaterials development and refers to the practice of combining scaffolds, cells, and biologically active molecules into functional tissues. The goal of tissue engineering is to assemble functional constructs that restore, maintain, or improve damaged tissues or whole organs. Artificial skin and cartilage are examples of engineered tissues that have been approved by the FDA; however, currently they have limited use in human patients.  

Regenerative medicine is a broad field that includes tissue engineering but also incorporates research on self-healing – where the body uses its own systems, sometimes with help foreign biological material to recreate cells and rebuild tissues and organs.  The terms “tissue engineering” and “regenerative medicine” have become largely interchangeable, as the field hopes to focus on cures instead of treatments for complex, often chronic, diseases.

Unicellular organisms can move in two distinct ways—movement and locomotion. Movement enables an organism to change its form or shape. ... Unicellular organisms achieve locomotion using cilia and flagella. By creating currents in the surrounding environment, cilia and flagella can move the cell in one direction or another.

Hope I helped.

Answer:

they move through the body till they die of body failure or bacteria

Answer:

The medical model's school of thought is that mental disorders are believed to be the product of physiological factors. The medical model, which is more widely used by psychiatrists than psychologists, treats mental disorders as physical diseases whereby medication is often used in treatment.

Explanation:

Answer:

Scarification

Explanation:

Answer:

Scarification

Explanation:

Answer:

Codominance

Explanation:

That would be Codominance.  Codominance means that neither allele can mask the expression of the other allele (Both are dominant alleles, no recessive alleles). This is because the flower isn't only red or only pink. It has both alleles (which causes the red and pink stripes).

Answer:

The correct answer is B. Cell Wall

Explanation:

A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides as well. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell.

Answer:

D. Predators that ignore the markings will die from the poison

Explanation:

The rest of the answers would be negative attribute of the bright colors. Though C may seem correct, the trait of being highly colorful to signal poison has been seen in many other species of animals as well.

Answer:

Albert responds with: ...

Hope this helps!

xoxo,

cafeology

Answer:

Explanation:

Why...

Answer:

It is D movement

Explanation:

I just awnsered this one correctly

Answer:

1:Cell

2:organ

3:tissues

4:A tissue is a group of similar cells that work together to perform a specific job. Specialized cells form specialized tissues such as blood tissue. A group of tissues working together to perform a specific function is called an organ. Organs are the third level of organization.

Explanation:

Answer:

The man next door never goes to any partys.

Explanation:

-capatilize t

- replace "d" with "s" in goed

- replace no with any

Answer:

species

Explanation:

According to the most widely used species definition, the biological species concept, a species is a group of organisms that can potentially interbreed, or mate, with one another to produce viable, fertile offspring.

This level of organization is the most specific and includes a group of individual organisms that resemble one another closely and are able to interbreed to produce fertile offspring is species

Cellular organization is one of the characteristics of a living organism which  states that each living organism is made up of a single cell or more than one cell.

It is made up of various components such as chemicals like micro molecule that form the macro molecule, at chemical level the structural composition are organized together to make cells

At Cellular level of organization form the tissue and it is complex to cell but simpler to organ which makeup of various together.

The cluster of interacting organs is necessary as the organ which are the structural level that individuals do the specific function.

Organs are gather together form organ system and it is a complex system made up of organs that are similar in their function.

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Answer:

Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. ... The contractile ring shrinks at the equator of the cell, pinching the plasma membrane inward, and forming what is called a cleavage furrow.

Explanation:

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Answer:

The cell splits into two.

Explanation:

Cytokinesis is the process of cell division which divides the cytoplasm of the parent cell into two daughters.

The cell splits into two.

Explanation:

Well, availability means different things in a context.

For example, at work, it might mean when you have time.

In could also mean if you are single or in a relationship?

Answer:

availability can be different

Explanation:

it can mean availability like as in a relationship of if you have time to hang out and I try to make myself available as I can to hang out with friends and play video games

Answer:

because people digest there food

We do not gain 2000 Ibs each year because humans undergo : DIgestion

The human digestive system breakdowns every food consumed by the human body into the different nutrients contained in the food, it also excretes the excess or waste food out of the body through the excretory system.

This process of digestion makes it impossible for an individual who consumes 2000 Ibs of food each year to gain 2000 Ibs each year as well.  

Hence we can conclude that We do not gain 2000 Ibs each year because humans undergo : DIgestion

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Answer:

While spiral galaxies are bright, elliptical galaxies are dim.

Explanation: I hope this helped :)

Answer:

What describes an elliptical galaxy?

An elliptical galaxy is a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image. They are one of the three main classes of galaxy described by Edwin Hubble in his Hubble sequence and 1936 work The Realm of the Nebulae, along with spiral and lenticular galaxies.

Explanation:

I hope I helped out!!

Answer: Jul.ia is doing the best based on number grading system

Explanation:

Answer:

protons and neutrons

Explanation:

Answer:

B

Explanation:

unusually weak magnetic fields on the sun paired with reduced solar activity cause sunspots to disappear.

Once the magnetic field weakens in the area and cold plasma enters the area of the sunspot. Therefore option B is correct.

Sunspots are temporary phenomena on the Sun's surface caused by intense magnetic activity.

As the magnetic field in the sunspot weakens, it creates a relatively cooler region compared to its surroundings due to reduced heat convection. This cooler area is known as a sunspot.

Sunspots can last for days, weeks, or even months, but eventually, they disappear as the magnetic field changes. The process is cyclical, with sunspots going through periods of formation, growth, and decay.

Once the magnetic activity weakens, cold plasma fills the area, causing the sunspot to fade away. New sunspots can then form in different regions of the Sun's surface as the solar cycle continues.

Therefore option B is correct.

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Answer:

"The Skeletal system has three very important jobs: Support, protection, and movement. Just think, if we did not have a skeletal system for support we would be just like a blob of Jell-O. The bones also protect many organs, and also the brain."

Explanation:

Answer:

No, compounds do not have the same properties as the elements they were made from.

Answer:

Traditional biotech involves use of natural organisms to create or modify food or other useful products for human use, while modern biotech involves manipulation of genes and living tissues in a controlled environment to generate new tissue.