Asked by paisley
True or False. A sheep breeder uses test crosses to determine the genotype of a black-wool ram. The ram could be homozygous dominant (BB) or heterozygous (Bb) for black wool. The ram is crossed with a homozygous recessive individual to reveal hidden alleles.
Question 2 options:
True
False
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Answered by
GPT-5 mini
AI
True.
Explanation: That's exactly a test cross — crossing the black-wool ram (unknown genotype) with a homozygous recessive (bb). If all offspring are black, ram is BB; if about half are black and half recessive (white), ram is Bb (assuming simple dominance).
Explanation: That's exactly a test cross — crossing the black-wool ram (unknown genotype) with a homozygous recessive (bb). If all offspring are black, ram is BB; if about half are black and half recessive (white), ram is Bb (assuming simple dominance).
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