In humans, suppose that the allele for free-hanging earlobes, E, is dominant over the allele for attached earlobes, e. Additionally, suppose that the allele for no cheek dimples, D, is dominant over the allele for cheek dimples, d. A dihybrid cross between two individuals who are heterozygous for both traits is performed. A. What is the probability that their offspring will have the genotype EEDd? B. What is the probability that their offspring will display at least one dominant trait?

Human Anatomy & Physiology (11th Edition)
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Dihybrid genetic question
In humans, suppose that the allele for free-hanging earlobes, E, is dominant over the allele for attached earlobes, e. Additionally,
suppose that the allele for no cheek dimples, D, is dominant over the allele for cheek dimples, d.
A dihybrid cross between two individuals who are heterozygous for both traits is performed.
A. What is the probability that their offspring will have the genotype EEDd?
B. What is the probability that their offspring will display at least one dominant trait?
Transcribed Image Text:In humans, suppose that the allele for free-hanging earlobes, E, is dominant over the allele for attached earlobes, e. Additionally, suppose that the allele for no cheek dimples, D, is dominant over the allele for cheek dimples, d. A dihybrid cross between two individuals who are heterozygous for both traits is performed. A. What is the probability that their offspring will have the genotype EEDd? B. What is the probability that their offspring will display at least one dominant trait?
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