PLEASE HELP BY TONIGHT: The ability to taste phenylthiocarbamide (PTC) is controlled in humans by a single dominant allele (T). A woman who is a nontaster married a man and they had three children, two boy tasters and a girl nontaster. All the grandparents were tasters. Create a pedigree of this family of this trait. Solid symbols should signify nontasters. Where possible, indicate whether the tasters are TT or Tt.

Answers

Answer 1

Here is a possible pedigree for this family:

T
/ \
T T
/ / \
T T t
/ / /
T T t

In this pedigree, the woman who is a nontaster is represented by a solid circle, and the man is represented by an open circle. The two boy tasters are represented by open squares, and the girl nontaster is represented by a solid square. The grandparents are represented by open triangles.

In this pedigree, the man and both of his parents are tasters, so they are likely to be TT genotypes. The woman and her parents are nontasters, so they are likely to have a genotype of tt. The two boy tasters are likely to have a genotype of Tt, and the girl nontaster is likely to have a genotype of tt.

Related Questions

Select the correct answer.
How much does the diameter of the disk of the Milky Way measure?
A.
10,000 light years
B.
1,000 parsecs
C. 100,000 light years
OD.
100 parsecs

Answers

It measures 100,000, or c

100,000 light years

WILL GIVE BRAINIST

Question 1 Only
Years after the lava from an erupting volcano destroyed an area, lichens started to grow in that area. These were gradually replaced by grasses, shrubs, conifers, and finally by a deciduous forest. In this sequence of events, the lichens functioned as What?

(Answer if you know.)

A. primary consumers

B. abiotic factors

C. pioneer organisms

D. climax organisms

Answers

Answer:

I'm pretty sure it's c

Explanation:

I'm 80% sure its c I learned this last month

In this sequence of events (ecological succession), the lichens functioned as a class of pioneer organisms (Option C).

What is ecological succession?

Ecological succession refers to the progressive emergence of different organisms and/or species in an ecosystem.

The ecological succession occurs after a period of ecological disturbance in the ecosystem.

The ecological succession is fundamental for recovering the homeostasis of the ecosystem.

In conclusion, in this sequence of events (ecological succession), the lichens functioned as a class of pioneer organisms.

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A desert has a lower species richness than a tropical rainforest.
O True
O False

Answers

Answer:

True

Explanation:

Lakesha was culturing bacteria. She used aseptic technique to make sure there was no contamination. When she was finished, she used water to clean the surface of her table. She then put the sample in the incubator, removed her gloves, and washed her hands with soap and water.

Answers

Answer:

d. She should be using a disinfectant on her table, not just water.

Explanation:

When Lakesha finished culturing the bacteria, she should not have used water alone to clean the table because water can't kill bacteria. She has to use a disinfectant in order to remove bacteria from the table. This disinfectant has the ability to kill all the bacteria that is present at the table and there is no chance of infection from these bacteria. So we can say that she made a mistake to clean the table with just water and not using the disinfectant over it.

Are Parakeets good starter pets? why or why not

Answers

Answer:

NO! They require a ton of attention, a large cage, and experience with birds. Parakeets are often marked as starter pets, but no, they are not.

First, they need a 3 feet long cage with 5+ toys that need to be changed each month. And they need natural perches, not the cheap wooden dowels, they will get feet problems. Most people don't do this, having a bored pet.

Second, parakeets will chew anything given/available to them, and a lot of things can be toxic to them, which can lead to the death of your pet.

Third, parakeets are messy and noisy. They poop a LOT and love to toss seeds around their cage. They also need millet and a calcium chew, which are also messy.

They also will want a friend, they are flock animals in the wild so 3-4 birds is a good number, but getting more birds means getting a large cage. The pet store will tell you it's fine, but it is not. ALWAYS SEEK HELP FROM A BIRD BREEDER.

Lastly, they need a bird proofed room to fly around in. No matter how large your cage is, they still need some out-of cage time.

Try a dove or pigeon instead, they are listen the #1 easiest and cheapest to care for pet bird.

how many total autosomes do human cells have

Answers

Answer:

Explanation:

....hope it helps.......

Answer:

Humans have 22 pairs of autosomes ..

Explanation:

Food is useful to organisms because it contains ? Radiant energy, thermal energy, motion energy, chemical energy

Answers

Answer:

I think it's chemical energy.

Chemical energy. Cause food is produced through photosynthesis which is light energy to chemical energy

Which of the following describes a scientific law?
A. People have the right to a speedy trial.
B. Any two objects in the universe attract each other with a force called gravity.
C. The universe may have begun from an explosion (or big bang) from a single point.
D. Students must wear their safety goggles in the lab.

Answers

Answer:

B. Any two objects in the universe attract each other with a force called gravity.

Explanation:

Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.

Hence, the statement which best describes a scientific law is, any two objects in the universe attract each other with a force called gravity.

Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

a college student regularly stays up late and tends to eat snacks high in fat and sugar

Answers

Answer:

true

Explanation:

college students have stress they need comfort foods

A chemist weighed out 101. g of beryllium. Calculate the number of moles of beryllium she weighed out.

Answers

Answer:

The correct answer is - 11.209 moles.

Explanation:

According to the definition of moles,

moles = weight/molecular weight

given:

weight of beryllium = 101 g

the molecular weight of beryllium = 9.01

∵ 9.01 g weight of beryllium = 1 mole

∴ 1 g weight of beryllium = 1/9.01 moles

∴ 101 g of beryllium =101/9.01 moles

The = 11.209 moles.

What is the second step of protein synthesis called?
mutation
translation
transcription
division

Answers

Answer:

translation

Explanation:

Translation takes place at a ribosome in the cytoplasm. During translation, the genetic code in mRNA is read to make a protein.

Mendel was a careful researcher who studied the inheritance of certain traits in garden peas. What are some of the research practices Mendel used? Choose all that apply.
A. He crossed true-breeding pea plants.
B. He allowed eggs to be fertilized only by self-pollination.
C. He analyzed his data mathematically.
D. He controlled variables by studying one or two traits at a time.

Answers

B. He allowed eggs to be fertilized only by self-pollination

Solve: Suppose an mRNA strand in the cytoplasm has 15
nucleotides. How many amino acids would be in the resulting
protein chain? Explain how you got this number. NO LINKS NO LINKS !!!

Answers

Answer:

(Sorry messed up the first time and didnt put an explanation) Four

Explanation:

It is four because there are three nucleotides in a set to make an amino acid. This would make 15 divided by 3, which is 5, but the last one is the code for stop (that is, to tell when a new chain for protiens should start), and that doesn't count as an amino acid.

The DNA determines the RNA, and the RNA determines the protein, and the protein
determines the ?

Answers

Answer: Section 4.4The Three Roles of RNA in Protein Synthesis. Although DNA stores the information for protein synthesis and RNA carries out the instructions encoded in DNA, most biological activities are carried out by proteins. brainliest?

Explanation:

What season is it in Buenos Aires when it is winter in Boston, Massachusetts? Winter Summer Spring Autumn

Answers

Answer:

Spring is ur answer

Explanation:

Answer:

summer :)

Explanation:

A major cause of genetic variation within a species is the result of -

Answers

Mutation, recombination and immigration of genes

The functions of two physical structures of plants are described below:

Structure 1: Holds the leaves of the plant toward the light.
Structure 2: Helps reduce water loss.

What statement is true about the functions?

Structure 1 is the stamen and Structure 2 is the pistil.
Structure 1 is the stem and Structure is the waxy covering.
Structure 1 is the pistil and Structure 2 is the fuzzy hair.
Structure 1 is the waxy covering and Structure 2 is the stamen.

Answers

Answer:

Explanation:

the structure will continuously move and compete for sunlight

the wax is so that the moisture has to go thought it and will either be part of the wax or be absorbed back into the plant

The statement which is true about the functions is structure 1 is the stem and structure 2 is the waxy covering with respect to their functions.

What do you mean by Water loss?

Water loss in plants may be defined as the process of evaporation of water to the atmosphere from the leaves of a plant in the form of water vapor.

The stem is the part of the plant that holds the leaves of the plant toward the source of light. While the waxy covering is responsible for the process of transpiration in the plants.

Therefore, the statement which is true about the functions is structure 1 is the stem and structure is the waxy covering.

To learn more about Transpiration, refer to the link:

https://brainly.com/question/12065187

how do the ocean zones compare with one another

Answers

There are three main ocean zones based on distance from shore. They are the intertidal zone, neritic zone, and oceanic zone. Distance from shore influences how many nutrients are in the water. Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients. Living things need nutrients. So distance from shore also influences how many organisms live in the water.

Answer:

Mitosis = 28 chromosomes

Meiosis = 14 chromosomes

Explanation:

- Mitosis is the type of cell division in which the daughter cells are genetically identical to the parent cell and possess the same number of chromosome as the parent cells. For example, a diploid parent will produce a diploid daughter cell after mitosis.

- Meiosis, on the contrary, is the cell division that produces daughter cells that are genetically different from the parent cell. Each daughter cell have a reduced number of chromosomes (by half).

According to this question, a diploid eukaryotic cell contains 14 pairs of chromosomes i.e. 2n=28. After mitosis, each daughter cell will have same 28 chromosomes as the parent cell. Meiosis on the other hand, will produce daughter cells that possess 14 chromosomes each.

Answer:

A great amount of energy is lost traveling up the energy pyramid.

Explain how prokaryotes (note that this is for prokaryotes and NOT eukaryotes) control gene expression.

Answers

Answer:

By Controlling transcription

Explanation:

Prokaryotic cells regulate their gene expression by controlling the amount of transcription. This is the only way of regulating the gene expression.

Unlike the prokaryotic cell, in eukaryotic cell, different compartments were formed for carrying out different cellular processes. Later on, transcription and translation were physically separated and were carried out in two different cellular compartments

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