What are lethal genes?

10 months ago

Lethal genes are genes having at least one allele that, when present in the genotype of an individual, causes death. There are recessive lethal alleles and dominant lethal alleles. (There are also genes having alleles that are dominant when in heterozygosity but lethal when in homozygosity, i.e., the dominance related to the phenotype does not correspond to the dominance related to lethality.)

Dipti KC
May 27, 2023
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