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19-04-2020
Biology

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A homozygous dominant brown mouse is crossed with heterozygous brown mouse. What percentage will the offspring be homozygous recessive? Use the letter “b”

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leonardo7500 leonardo7500

19-04-2020

A homozygous dominant brown mouse (BB) crosses with a heterozygous brown mouse (Bb)

What percentage might be homozygous recessive (bb)?

If we draw a Punnett Square, we get BB, BB, Bb, and Bb.

Answer: 0% We don't have homozygous recessive. 50% is homozygous dominant and the other 50% is heterozygous.

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