3. What are the expected genotype and phenotype ratios in the following genetic conditions? Use scratch paper to do the Punnett square if needed but you do not need to draw it on the worksheet. a. Monohybrid cross between 2 heterozygous individuals (Aa x Aa) Genotype ratio: 1:2:1 Phenotype ratio: 3:1 b. Dihybrid cross between 2 heterozygous individuals (AaBb x AaBb) Genotype ratio: Phenotype ratio:
3. What are the expected genotype and phenotype ratios in the following genetic conditions? Use scratch paper to do the Punnett square if needed but you do not need to draw it on the worksheet. a. Monohybrid cross between 2 heterozygous individuals (Aa x Aa) Genotype ratio: 1:2:1 Phenotype ratio: 3:1 b. Dihybrid cross between 2 heterozygous individuals (AaBb x AaBb) Genotype ratio: Phenotype ratio:
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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What is the genotype ratio?
What is the phenotype ratio?
3. What are the expected genotype and phenotype ratios in the following genetic conditions?
Use scratch paper to do the Punnett square if needed but you do not need to draw it on the
worksheet.
a. Monohybrid cross between 2 heterozygous individuals (Aa x Aa)
Genotype ratio: 1:2:1
Phenotype ratio: 3:1
G
q
8:32
a
b. Dihybrid cross between 2 heterozygous individuals (AaBb x AaBb)
Genotype ratio:
Phenotype ratio:
4. Both Mrs. Smith and Mrs. Jones had babies the same day in the same hospital. Mrs. Smith
took home a baby girl, whom she named Sharon. Mrs. Jones took home a girl, whom she
named Jane. Mrs. Jones began to suspect, however, that the child had been accidentally
switched with Mrs. Smith baby in the nursery. Blood test were made; Mr. Smith was type
A, Mrs. Smith was type B, Mr. Jones was type A, Mrs. Jones was type A. Sharon was
type O, and Jane was type. B. Had a mix-up occurred? Use scratch paper, you do not need
to include your Punnett square in the worksheet.
What are the possible genotype blood types of Mr. Smith?
What are the possible genotype blood types of Mrs. Smith?
What are the possible genotype blood types of Mr. Jones?
What are the possible genotype blood types of Mrs. Jones?
Did a mix-up occur? Explain.
123
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