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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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
Transcribed Image Text:1. Armin and Annie are going to have a baby. Annie has dimples in her cheeks (a dominant trait),
while Armin does not. You know that Annie's father has dimples in both cheeks, while her
mother does not. Her mother must have the recessive trait. Annie's father has the dominant trait.
but vou don't know if he is a homozygote or heterozygote. But you still know what Annie's
genotype must be because Annie must have a recessive allele since that is all she could have
inherited from her mother. Since Annie has a dimple you know she inherited a dominant allele
from her father. What are the chances Armin and Annie's baby will have dimples? Determine
the Phenotype and Genotype and its probability.
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- 2. Brown eyes are dominant over blue eyes in humans. Having a peaked hairline is dominant over having a smooth hairline in humans. Two such humans decide to have offspring – who will also be human, because you know – genes. One of the parents has blue eyes and is heterozygous for a peaked hairline. The other parent is brown-eyed with a peaked hairline but is heterozygous for both traits. a) Complete a Punnett square showing all possible genotypes of their offspring. b) What is the probability of this couple producing a child with blue eyes? c) What is the probability of producing a child who has both brown eyes and a smooth hairline?arrow_forward4. Mr. Salazar has Type A blood while Mrs. Salazar has Type B. They have four children. Bobbie has Type A, Gabbie has Type B, Alex has Type AB, and Teddie has Type O. What are the genotypes of all six people in this family? NOTE: The ABO blood type gene has three alleles. IA and IB are codominant; i (for Type O) is recessive to both.arrow_forwardWhat do you mean by Uniparental?arrow_forward
- Brown eyes are dominant over blue eyes. This is NOT a sex linked trait. Cross a brown eyed Color blind male (whose mother had blue eyes) with a normal blue eyed female (whose father was colorblind)arrow_forwardHello Heliodors! (cont.) Trait A For Heliodors, having four arm-like extensions is dominant over having two. In a family of Heliodors, Hayden has four arm-like extensions like his mother Helen. His father, Harry, and sister, Holly both have two. What are the genotypes of everyone in this family of Heliodors? What is Holly's genotype? aa (homozygous recessive) Not enough information to determine. Aa (heterozygous) AA (homozygous dominant) O O O Oarrow_forward1. What percentage of the offspring will have a homozygous recessive genotype? Gray fur White fur 2. What will be the ratio of gray fur to white fur in the offspring? Gg x gg 3. What percentage of the offspring will have a tall phenotype? t. Tall Short 4. What percentage of the offspring will have a homozygous recessive genotype? TT tt 5. What percentage of the offspring will have white eyes? White eyes Dark eyes 6. What percentage of the offspring will have a heterozygous genotype? 7. What percentage of the offspring willarrow_forward
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