Question

Mr. and Mrs. Jones have six children. Three of them have attached earlobes (recessive) like their father, and the other three have free earlobes like their mother. What are the genotypes of Mr. and Mrs. Jones?

Answer 1

Explanation:

Different forms of a gene are called alleles, which can sometimes result in differences in phenotype. A dominant allele, usually denoted by a capital letter (A, for example) is able to mask the actions of a recessive allele, usually denoted by a lower case letter (a, for example).

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