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24 Cards in this Set

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Gregor Mendel
Father of Genetics
Genetics
study of hereditary information that is passed on to the offspring
Parent (P) Generation
the 1st Cross
First filial (F1) Generation
offspring from the P generation
Second filial (F2) Generation
offspring from F1 generation
Dominant
trait your are going to see
Recessive
trait you don't see
Law of Segregation
Genes accure in pairs-they separate from each other during gamete formation (meiosis) and recobine at fertilization (zygote formation)
Gene-Chromosome Theory
genes are located on the chrosomes
Law of Independent Assortment
during meiosis genes for different traits separate and distribute to gametes independently of one another
Gene
trait or factor that you see
alleles
marks that represent the traits
Homozygous
TT (dominant) or tt (recessive) two of the same traits
Heterozygous
Tt-different traits
Hybrid
the offspring of crosses between pure parents showing contrasting traits
genotype
genetic makeup
phenotype
physical characterics
test cross
whether its TT (homozygous) or (heterozygous)
monohybrid cross
only one test of alleles
dihybrid cross
a genetic cross in which two pairs of contrasting traits are studied
incomplete dominance
a type of inheritance in which two contrasting alleles contribute to the individual a trait not exactly like either parent; blending inheritance
Codominance
a type of inheritance in which two dominant alleles are expressed a the same time without blending of traits
multiple alleles
three or more different forms of a gene, each producing a different phenotype
law of dominance
when an organism is heterozygous (hybrid) for a pair of contrasting traits (alles) only the dominant trait will be seen