Patterns of Inheritance Flashcards
Heredity
The transmission of traits from one generation to the next
Genetics
The scientific study of heredity. Modern genetics began with the work of Gregor Mendel in the 19th century
Character
A heritable feature that varies among individuals within a population, such as flower color in pea plants or eye color in humans
trait
A variant of a character found within a population, such as purple or white flowers in pea plants
True-breeding
Referring to organisms for which sexual reproduction produces offspring with inherited traits identical to those of the parents.
hybrids
offspring that results from the mating of two parents that differ in one or more inherited traits an individual who is heterozygous for one or more pairs of genes
cross
a mating of two sexually reproducing individuals; often used to describe a genetics experiment involving a controlled mating
P generation
The parent individuals from which offspring are derived in studies of inheritance; p stands for parental
F1 Generation
The offspring of two parental individuals; f1 stands for first filial
F2 Generation
The offspring of the F1 generation; F2 stands for second filial
Alleles
An alternative version of a gene
Homozygous
Having two identical alleles for a given gene
Heterozygous
Having two different alleles for a given gene