Estrus Synchronization - Answers controlling the estrous cycle so that a high percentage of the females
in the herd express estrus at the same time
clone - Answers an individual grown from a single somatic cell of its parent and genetically identical to it
A.I. - Answers Artificial insemination, a common technique used in reproductive biology that involved
placing semen into the reproductive tract of the female by artificial techniques rather than natural
mating.
E.T. - Answers Embryo Transfer, which is the procedure used to transfer embryos from a donor female
to a group of a recipient females.
Genotype - Answers Animals blueprint
Chromosomes - Answers Large molecule containing DNA made of genes
DNA - Answers Two strands of sugar phosphate backbone with bridges of nitrogen bases
Nucleotide - Answers Sugar phosphate and one of the four nitrogen bases
Inheritance - Answers Passing of traits from parents to offspring
Alleles - Answers alternative versions of a gene That affect the same trait
Gametes - Answers reproductive cells that carry half of the parents genetic code only a single allele for
each gene
Codominance - Answers both alleles are expressed equally
incomplete dominance - Answers No dominante so heterozygotes appear as an intermediate rather
been a combination
sex influenced - Answers Phenotype expressed differently between sexes
sex-limited traits - Answers Traits unique to one sex
Ex. Milk production
sex-linked traits - Answers Genes found only on X or Y chromosomes
Males are XY and females are XX
Selection - Answers Determining which individuals reproduce
Heritability (h^2) - Answers Impact of additive genes
, The greater the value the more likely the trait will be passed on
Inbreeding - Answers mating between closely related individuals
Common genetic Disorder - Answers Spider lamb
Curly calf syndrome
Porcine Stress Syndrome
Hyper kale mix Periodic Paralysis
Linebreeding - Answers Form of inbreeding using repeated crossings to ancestors
Outbreeding - Answers Mating less closely related animals than the general population
Increases heterosis, hybrid vigor, and performance
Crossbreeding - Answers The mating of two individuals from different breeds
breeding value - Answers Estimated value of an individual as a parent based on the performance of the
individual and close relatives
Expected Progeny Difference - Answers Half of breeding value
Expected Progeny Difference - Answers Predicted difference in performance between individual spring
and offspring's contemporary group
Useful for comparison within breed group
Testees - Answers Produce sperm and testosterone
Epididymis - Answers Passageway of sperm from testes to vas deferens
epididymis head - Answers Sperm not capable of fertilization or motility
epididymis body - Answers Sperm gain motility
Epididymis tail - Answers Storage site until ejaculation, sperm fertile and mobile
Vas Deferens (sperm duct) - Answers transports sperm from testes to penis
Accessory sex glands (male) - Answers Secrets components of seminal fluid