Scientist Gregor Mendel (1822-1884) is often called the "father of modern genetics" and is famous for his work involving the inheritance of certain traits in pea plants. Suppose that the genes controlling the color of peas are Y for yellow and y for green. Each plant has two genes, one from the female (seed) and one from the male (pollen). The Y gene is dominant, and therefore a plant with genes YY will have yellow peas, a plant with genes Yy or yY will have yellow peas, and a plant with genes yy will have green peas. If a plant with two yellow genes (YY) is crossed with a plant with two green genes (yy), the result is four hybrid offspring with genotypes Yy. The offspring will be yellow, but will carry the recessive green gene. Parent 2 У Yy Yy Yy Yy y Parent 1 Suppose that both parent pea plants are hybrids with genotype Yy. a. Make a chart showing the possible genotypes of the offspring. b. What is the probability that a given offspring will have green peas? c. What is the probability that a given offspring will have yellow peas? Parent 2 y Parent 1 У
Scientist Gregor Mendel (1822-1884) is often called the "father of modern genetics" and is famous for his work involving the inheritance of certain traits in pea plants. Suppose that the genes controlling the color of peas are Y for yellow and y for green. Each plant has two genes, one from the female (seed) and one from the male (pollen). The Y gene is dominant, and therefore a plant with genes YY will have yellow peas, a plant with genes Yy or yY will have yellow peas, and a plant with genes yy will have green peas. If a plant with two yellow genes (YY) is crossed with a plant with two green genes (yy), the result is four hybrid offspring with genotypes Yy. The offspring will be yellow, but will carry the recessive green gene. Parent 2 У Yy Yy Yy Yy y Parent 1 Suppose that both parent pea plants are hybrids with genotype Yy. a. Make a chart showing the possible genotypes of the offspring. b. What is the probability that a given offspring will have green peas? c. What is the probability that a given offspring will have yellow peas? Parent 2 y Parent 1 У
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Transcribed Image Text:Scientist Gregor Mendel (1822-1884) is often called the "father of modern genetics" and is famous for his work involving
the inheritance of certain traits in pea plants. Suppose that the genes controlling the color of peas are Y for yellow and y
for green. Each plant has two genes, one from the female (seed) and one from the male (pollen). The Y gene is dominant,
and therefore a plant with genes YY will have yellow peas, a plant with genes Yy or yY will have yellow peas, and a plant
with genes yy will have green peas.
If a plant with two yellow genes (YY) is crossed with a plant with two green genes (yy), the result is four hybrid offspring
with genotypes Yy. The offspring will be yellow, but will carry the recessive green gene.
Parent 2
У
Yy Yy
Yy Yy
y
Parent 1
Suppose that both parent pea plants are hybrids with genotype Yy.
a. Make a chart showing the possible genotypes of the offspring.
b. What is the probability that a given offspring will have green peas?
c. What is the probability that a given offspring will have yellow peas?
Parent 2
y
Parent 1
У
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