Recessive allele Definition and Explanation PDF | Download eBooks
Learn Recessive allele definition in biology with explanation to study “What is Recessive allele”. Study recessive allele explanation with biology terms to review biology course for online degree programs.
Recessive allele Definition:
An allele that expresses itself only in homozygous form.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Recessive allele Explanation:
A recessive allele can only express itself when it is in the homozygous form. A good example of this is sickle cell anaemia. The allele for sickle cell anaemia is recessive therefore just one copy is not enough to have sickle cell anaemia. The person must have two copies. However a person having one copy is called a carrier and can pass on the gene to the offspring.
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