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The genotype for Tay-Sachs disease is tt. A homozygous dominant man and a heterozygous woman have a child with the genotype Tt for Tay-Sachs. Which term describes their child? A. purebred B recessive C.
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The genotype for Tay-Sachs disease is tt. A homozygous dominant man and a heterozygous woman have a child with the genotype Tt for Tay-Sachs. Which term describes their child?

A. purebred
B recessive
C. affected
D. carrier

User Colwin
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D. The child is described as a carrier since the child does not express the disease, but has one recessive allele which can be passed on during reproduction.
User SnowFrog
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