Genotype ratio of offspring expected when crossing 2 heterozygous parents

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11-02-2019
Biology

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Genotype ratio of offspring expected when crossing 2 heterozygous parents

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asra44 asra44 · Answer 1 · 2019-02-11T18:05:06+01:00

asra44 asra44

11-02-2019

Heterozygous means that the genotypes is a mixture of genes:
Let’s say that:
Parent one has the gene - Bb
Parent two has the gene Bb

B b
B BB Bb
b Bb bb

Therefore the ratio is:
BB:Bb:bb
=1:2:1
Hope this helps

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