Biology, asked by sophieasaha1, 10 months ago

Which of the following crosses would produce a genotype ratio 1:2:1?

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Answered by kshitijsharma29

1

Answer:

The expected genotype ratio when two heterozygotes are crossed is 1 (homozygous dominant) : 2 (heterozygous) : 1 (homozygous recessive). When a phenotypic ratio of 2 : 1 is observed, there is probably a lethal allele.

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