In a Test Cross Between an Individual with an Unknown

question 10

Multiple Choice

In a test cross between an individual with an unknown genotype that exhibits the dominant phenotype and a known homozygous recessive individual, the progeny showed a 1:1 ratio of dominant to recessive phenotypes. The individual of unknown genotype is therefore ________ for that gene.

• A) unizygous
• B) homogeneous
• C) heterozygous
• D) hemizygous
• E) homozygous

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