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Phenotype and Genotype

An organism w...

Question

An organism with two different alleles of a gene in a cell is called__________,

A

Homozygous

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B

Heterozygous

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C

Hybrid

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D

Dominant

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Solution

The correct option is B
Heterozygous

If an organism has two copies of the same allele, for example AA or aa, it is homozygous for that trait. If the organism has one copy of two different alleles, for example Aa, it is heterozygous.

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