Genetics Terms Flashcards
heredity
the passing of traits from parents to their young
genetics
the branch of biology dealing with the study of heredity
trait
a feature an organism can pass to their offspring
Gregor Mendel
Monk who experimented with pea planmts
cross-pollinatrion
process by which pollen formed by a flower of one plant is moved to s pisrtil of a plant of the same kind
self-pollination
the transfer of pollen between the same plant
pure line
group of living things that produce young having only one form of a trait in each generation
parental generation
group of organisms used to make the first cross in a breeding experiment
first filial generation
a cross that involves one pair of contrasting traits
second filial generation
the offspring resulting from the crossing of the p1 generastion
factors
Mendels term for the units of heredity that are passed on to future generations
homozygous
conditions in which the two genes for a given trait are alike
heterozygous
a condition in which two genes of a given trait are different
gametes
specialized cells that join for sexual reproduction
dominant
the form of gene that is expressed and prevents the expression of another gamete (TT or Tt)