If an organism is homozygous for a particular trait, the organism A. has extra alleles on both chromosomes in a chromosome pair. B. has the same allele on both chromosomes in a chromosome pair. C. is missing alleles on the chromosomes in a chromosome pair. D. has different alleles on the chromosomes in a chromosome pair.

B. Has the same allele on both chromosomes in a chromosome pair.

Here is why:

Homozygous means the same, while heterozygous means different. If both of the same alleles are on both chromosomes, then it will be a homozygous.

There can be two types of homozygous alleles.

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Homozygous Dominant: BB

Homozygous Recessive: bb

Notice in both of these they were the same alleles.

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Heterozygous: Bb

Notice how both are different alleles.

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Below I have attached a diagram of a Punnett square I have made.

On the left is a homozygous recessive allele pair.

On the top is a heterozygous allele pair.

the answer to this predicament is false, by friend, i had this on a quiz, and i got it wrong, so i learned it, cos i was gonna have it on a test, and i got it right

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explanation:

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