Heterozygote advantage Notes: Definitions & Explanations PDF | Download eBooks
Study Heterozygote advantage lecture notes PDF with biology definitions and explanation to study What is Heterozygote advantage?. Study heterozygote advantage explanation with biology terms to review biology course for online degree programs.
Heterozygote advantage Definition:
If individuals who are heterozygous at a particular locus have greater fitness than do both kinds of homozygotes, they exhibit heterozygote advantage.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Heterozygote advantage Notes:
A heterozygote advantage describes the case in which the heterozygous genotype has a higher relative fitness than both the homozygous forms; dominant or recessive genotype. The specific case of heterozygote advantage due to a single locus is known as overdominance. Overdominance is a condition in genetics where the phenotype of the heterozygote lies outside of the phenotypical range of both homozygote parents, and heterozygous individuals have a higher fitness than homozygous individuals.
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