Biology Genetics Assignment Help

The only way to get red hair is to be homozygous recessive for the red hair allele. You are observing hair color in a crowd of unrelated people. Can you tell who has two copies of the red hair allele? one copy? no copies? Explain your answer without discussing any genetic crosses (possible scenarios of parents and offspring). What is/are the possible genotypes for this allele for the phenotype of red hair? Not red hair? (Use “r” to represent the recessive allele for red hair and “R” to represent the corresponding dominant allele that codes for not-red hair. You do not need to consider other hair colors other than red or not-red here. Other colors are controlled by different alleles.)

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