The purpose of this study is to describe recessive alleles in strictly dominant genes. Identifying recessive mutations in genes for which only dominant disease or risk alleles have been reported ...

But if two damaged, recessive alleles are inherited, then the person does not produce enough of the enzyme, and his or her lungs slowly deteriorate over a lifetime.

In simple Mendelian genetics, there are dominant (capital letter) and recessive (lowercase letter) alleles, where a specimen with either one or two alleles of the dominant trait will display the ...

For a fully recessive allele with mutation rate to it μ, from it v and complete selection against homozygous recessives, the equilibrium frequency is approximately μ½. It is possible to reduce the ...

The genetic basis of inbreeding depression and of the related phenomenon, heterosis, has been a puzzle for many decades. Based on recent studies in many species, the authors argue that both ...

Other alleles are recessive, meaning you need two copies of that allele to display the trait. For example, Mendel took pea plants that were homozygous for different traits and crossbred them.

We describe two recessive alleles of a rice heterochronic gene, plastochron1-1 (pla1-1) and pla1-2, that reduce the length of the plastochron to approximately half that of the wild type. Because the ...

Females have two X chromosomes (XX). Males have one X and one Y chromosome (XY). All eggs contain one X chromosome. Half of sperm contain one X chromosome and half contain one Y chromosome. A ...