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kkurt [141]
4 years ago
6

How do dominant and recessive alleles work?

Biology
1 answer:
Marta_Voda [28]4 years ago
3 0

Answer:

<u>Dominant phenotypes</u> will manifest when either or both chromosomes have the same dominant alleles, whereas <u>recessive phenotypes</u> will only manifest when both chromosomes have the same recessive alleles. Dominant alleles  are shown with a capital letter and the recessive allele with the corresponding small letter. Recessive alleles will be overridden by the presence of a dominant allele. Two recessive alleles (no dominant) need to be present for the recessive characteristic to be expressed in the phenotype .

Dominant + recessive > dominant

Dominant + dominant > dominant

Recessive + dominant > dominant

Recessive + recessive > recessive

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