英和和英

descendent gene

a dominant gene

a recessive gene

a mutant gene

less than zero

splice genes

splice genes

autosomal gene

fewer

a gene called allele

There are few similar cases.

a genetic throwback

There are few

They are few in number.

physiological phenomenon (inheritance, heredity, be hereditary)

hereditary nature―transmissibility

a hereditary trait caused by the crossover of genes

little in degree

a genetic disorder

a regulatory gene

least shrews

map the genes

much less

much less

an inherited disease

a hereditary disease

of something, the condition of being in a small amount

the least amount

small in degree

to recombine genes