3. Use the following Punnett square to answer the questions below (a-g): TtTTTTttTttta. What are the genotypes of the parents?What are the phenotypes of the parents?b.c. What percentage of the offspring are homozygous dominant?d. What percentage of the offspring are heterozygous?e. What percentage of the offspring are homozygous recessive?f. What percentage of the offspring will be tall?g. What percentage of the offspring will be short?4. In humans, pointed eyebrows are dominant over smooth eyebrows. Angela's father has pointedeyebrows, but she and her mother both have smooth eyebrows. What is her father's genotype?

Name: 3. Use the following Punnett square to answer the questions below (a-g
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Description: 3. Use the following Punnett square to answer the questions below (a-g): TtTTTTttTttta. What are the genotypes of the parents?What are the phenotypes of the parents?b.c. What percentage of the offspring are homozygous dominant?d. What percentage of t

A Punnett square is a simple tool for predicting the genotypes of offspring from a cross of two…

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Human Anatomy & Physiology (11th Edition)

11th Edition

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Author:Elaine N. Marieb, Katja N. Hoehn

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Chapter1: The Human Body: An Orientation

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3. Use the following Punnett square to answer the questions below (a-g):

T
t
T
TT
Tt
t
Tt
tt
a. What are the genotypes of the parents?
What are the phenotypes of the parents?
b.
c. What percentage of the offspring are homozygous dominant?
d. What percentage of the offspring are heterozygous?
e. What percentage of the offspring are homozygous recessive?
f. What percentage of the offspring will be tall?
g. What percentage of the offspring will be short?
4. In humans, pointed eyebrows are dominant over smooth eyebrows. Angela's father has pointed
eyebrows, but she and her mother both have smooth eyebrows. What is her father's genotype?

Expert Solution

Introduction:

A Punnett square is a simple tool for predicting the genotypes of offspring from a cross of two parents. It is a table that illustrates the various allele combinations that each parent can pass on to their offspring.
To use a Punnett square, write the possible alleles for each parent down the table's top and sides. Then you fill in the blanks with the allele combinations that their offspring might inherit.
To determine a parent's genotype based on the phenotypes of their offspring, you must first know the phenotypes of both parents and their offspring. You can determine the possible genotypes of both parents by looking at the traits of the offspring.

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