Reproductive and Genetic Terminology Flashcards by Gabriel Krauss

abortion

premature expulsion of a fetus, either by nature or intent

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afterbirth

placenta and fetal membranes expelled from uterus in parturition

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alter

to neuter a male animal or spay a female

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albino

genetic trait causing lack of pigment in the skin, hair, and irises

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artificial insemination

introduction of semen into the uterus by other than natural means

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billy goat

male goat

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boar

male pig

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bitch

female dog

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breed (n)

a group of related animals similar enough to produce similar offspring

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breed (v.)

to supervise the sexual propagation of animals

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brood

hen sitting on eggs

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bullock

castrated bull or steer

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buck

male deer, goat, rabbit, or kangaroo

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bull

male of various large mammals, especially cattle

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capon

neutered rooster

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cesarean section

removal of unborn young by surgical incision into the uterus

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calf

bovine younger than one year

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castration

removal of the testicles, neutering a male animal

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chromosome

bodies within the cell nucleus that store genetic information

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chick

young bird, especially a chicken

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clutch

group of eggs laid at one time by a bird

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cob

male swan

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cock

male chicken older than 1 year

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cockerel

male chicken younger than one year

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colostrum

protein and antibody rich milk secreted by the mother after giving birth

congenital

condition existing at birth but not hereditary

colt

male horse before maturity

cow

female of various large animals, especially cattle

cygent

young swan

drake

male duck

ewe

female sheep of breeding age

dam

female parent

doe

adult female goat or deer

duckling

young duck

embryo

undeveloped fetus; the young in an early stage of development

estrus

time of reproductive cycle when the female is receptive to mating

filly

female horse under four years old

fertilization

union of the sperm and egg

fetus

unborn developing animal

fledgling

young bird just learning to fly

gander

male goose

foal

young or newborn horse

gelding

neutered male horse

gene

part of chromosomes carrying hereditary information

genitalia

part of the reproductive anatomy

gestation period

time between conception and birth of an offspring

gilt

young female pig

kid

young goat

gravid

pregnant; containing developing young

gosling

young goose

gobbler

male turkey

heat

estrus condition

hereditary

transmissible from parent to offspring; genetically determined

jenny

female donkey

heifer

young cow

inguinal hernia

protrusion of tissue through inguinal canals of males

jack

male donkey; jackass

kitten

young cat

lamb

young sheep

litter

several offspring from one birth, especially in mammasl

mare

female horse four years or older

mammary glands

glands of female mammals that secrete milk after partuition

miscarriage

expulsion of underdeveloped fetus

monestrous

having one estrus period per year

mongrel

mixed-breed dog; mutt

neonate

newborn animal

nest

structure made or place chosen for breeding or laying eggs

nanny goat

female goat

neuter

removal of reproductive organs

nuptial plumage

brilliant mating-season plumage exhibited by some birds, usually males

oviparous

animals whose eggs develop outside the mother's body

ovoviviparous

animals whose eggs develop within the mother's oviduct

pen

female swan

partuition

process of giving birth

piglet

young pig

placenta

organ within the gravid uterus, expelled after giving birth

polyestrous

having more than one estrous period per year

pouch

fold of skin for carrying young on abdomen of female marsupial

pregnancy

condition in which offspring develop in the female uterus

prepuce

protective sheath covering the penis

pullet

female chicken younger than one year

pup

young dog or seal

queen

mature female cat used for breeding

rooster

male chicken

ram

sexually mature male sheep (six months old+)

shoat

pig under one year old

sire

male parent of any quadruped, especially a horse

sow

female pig

spay

to remove the ovaries and uterus; to neuter a female animal

stag

male deer

squab

fledgling pigeon

steer

neutered bull

stallion

male horse

stud

male horse used for breeding

tom

male cat or turkey

umbilical cord

vessel connecting the fetus to the placenta

vagina

female passage for copulation and birthing

vixen

female fox

viviparous

giving birth to live young developed in the uterus

wether

neutered ram or billy goat

whelp (v.)

giving birth to, said especially of dogs