allele

ascus

bivalent

character

chromatid

cross

dimorphism

dioecious species

dominant

dyad

first filial generation (F₁)

forward genetics

gene

gene discovery

genetic dissection

genotype

haploinsufficient

haplosufficient

hemizygous

heterogametic sex

heterozygote

heterozygous

heterozygous gene pair

homogametic sex

homozygote

homozygous dominant

homozygous recessive

law of equal segregation (Mendel's first law)

leaky mutation

meiocyte

meiosis

mitosis

monohybrid

monohybrid cross

morph

mutant

mutation

null allele

parental generation (P)

pedigree analysis

phenotype

polymorphism

product of meiosis

product rule

property

propositus

pseudoautosomal regions 1 and 2

pure line

recessive

recessive allele

reverse genetics

second filial generation (F₂)

self

sex chromosome

sex linkage

SRY gene

testcross

tester

tetrad

trait

wild type

X chromosome

X linkage

Y chromosome

Y linkage

zygote