1) In some species of pea plant, pea colour is determined by one pair of alleles and pea shape by another - the genes are on different chromosomes. A plant grown from a round green pea was self-pollinated. The following numbers of offspring were obtained: 95 green round, 28 white round, 30 green wrinkled, 11 white wrinkled. a) What is the ratio of the phenotypes in the offspring? b) In each pair of alleles, colour and shape, which allele is dominant and which recessive? c) what was the genotype of the parent(s)? Use a diagram to show how this explains the phenotype ratio of the offspring.
1) In some species of pea plant, pea colour is determined by one pair of alleles and pea shape by another - the genes are on different chromosomes. A plant grown from a round green pea was self-pollinated. The following numbers of offspring were obtained: 95 green round, 28 white round, 30 green wrinkled, 11 white wrinkled. a) What is the ratio of the phenotypes in the offspring? b) In each pair of alleles, colour and shape, which allele is dominant and which recessive? c) what was the genotype of the parent(s)? Use a diagram to show how this explains the phenotype ratio of the offspring.
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
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Transcribed Image Text:1) In some species of pea plant, pea colour is determined by one pair of alleles and pea shape by another - the
genes are on different chromosomes. A plant grown from a round green pea was self-pollinated. The following
numbers of offspring were obtained: 95 green round, 28 white round, 30 green wrinkled, 11 white wrinkled.
a) What is the ratio of the phenotypes in the offspring?
b) In each pair of alleles, colour and shape, which allele is dominant and which recessive?
c) what was the genotype of the parent(s)? Use a diagram to show how this explains the phenotype ratio of the
offspring.
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