What is one word relating to genetics for every letter of the alphabet?

Here is one word relating to genetics for every letter of the alphabet:

A - Allele

B - Base

C - Chromosome

D - Dominant

E - Exon

F - Frame-Shift

G - Gene

H - Haplotype

I - Intron

J - Jumping Genes

K - Karyotype

L - Linkage

M - Mutation

N - Nucleotide

O - Operator

P - Phenotype

Q - Quantitative Genetics

R - Recessive

S - Splice

T - Transcription

U - Uracil

V - Variant

W - Watson-Crick

X - X-Chromosome

Y - Y-Chromosome

Z - Zygote