1. A homozygous dominant yellow gumamela (YY) is crossed with a homozygous dominant red gumamela (RR). Determine the phenotypic and genotypic probabilities of this cross. 2. Codominance governs the hair color of short-horn cattles. Red alleles are codominant with white alleles, and heterozygotes (roans) have red and white hairs. Cross two roans and determine the genotypic and phenotypic probability of this cross.

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
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answer it using the punnett square
58
B. Answer the following problems on a separate sheet of papel.
1. A homozygous dominant yellow gumamela (YY) is crossed with a homozygous
dominant red gumamela (RR). Determine the phenotypic and genotypic
probabilities of this cross.
2. Codominance governs the hair color of short-horn cattles. Red alleles are
codominant with white alleles, and heterozygotes (roans) have red and white
hairs. Cross two roans and determine the genotypic and phenotypic probability
of this cross.
3. Make a Punnett square to show how two people who do not have color-
blindness can have a child who is color-blind. What is the probability that the
color-blind child will be male? What is the probability that the color-blind child
will be female?
4. Using a Punnett square, demonstrate how two individuals with Type A blood
can have a child with Type O blood.
5. Cross a person with Type AB blood and a person with Type O blood. What are
the genotypic and phenotypic ratios of this cross?
Init I Thi
Transcribed Image Text:58 B. Answer the following problems on a separate sheet of papel. 1. A homozygous dominant yellow gumamela (YY) is crossed with a homozygous dominant red gumamela (RR). Determine the phenotypic and genotypic probabilities of this cross. 2. Codominance governs the hair color of short-horn cattles. Red alleles are codominant with white alleles, and heterozygotes (roans) have red and white hairs. Cross two roans and determine the genotypic and phenotypic probability of this cross. 3. Make a Punnett square to show how two people who do not have color- blindness can have a child who is color-blind. What is the probability that the color-blind child will be male? What is the probability that the color-blind child will be female? 4. Using a Punnett square, demonstrate how two individuals with Type A blood can have a child with Type O blood. 5. Cross a person with Type AB blood and a person with Type O blood. What are the genotypic and phenotypic ratios of this cross? Init I Thi
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