Is this question correct ?

in humans brown eyes are dominant over blue eyes. what type of offspring would you expect if you crossed a heterozygous brown eyed person to a heterozygous blue eyed person?

i understand the bb of the brown eyes but not the alleles for this blue eyed person?

i understood brown to be dominant, so how can you have a heterozygous blue eyed person? are they not homozygous blue eyed recessive?

➷ If the person is heterozygous, the alleles of the blue eyed person would also be Bb. The chance of brown eyed offspring is 3/4 and the chance of blue eyed offspring is 1/4. There can't actually be a heterozygous recessive allele. This is because for the recessive trait to come through there would need to be two alleles. It would be a homozygous blue eyed recessive trait.

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climate change and pollution

correct answer is a. and d.