4 years ago

Help please Earth science

Biology

1 answer:

Leokris [45]4 years ago

7 0

It's the last answer. Around 4.54 billions years old.

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50%

Explanation:

According to the given information, the genotype of the mother who is homozygous recessive for gene "A" and homozygous dominant for gene "B"= "aaBB". Likewise, the genotype of the father who is heterozygous for gene "A" and homozygous recessive for gene "B"= "Aabb".

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