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Genetics and Punnett Squares
flashcards about genetics and punnett squares
23 cards·by yasmin__
Gregor Mendel
austrian monk;father of genetics
Self-fertilization
male and female gametes of same flower combine
Genetics
science of heredity or inherited traits
True-breeding
organisms that produce same traits generation after generation
Cross-pollination
crossing gametes of different true-breeding organisms
P-generation
parent generation
F1 generation
offspring of the p-cross
F2 generation
the offspring of F1 cross
Allele
different form of 1 gene
Dominant
the trait that appears
Recessive
the trait that is masked
Homozygous
2 of the same alleles for 1 trait
Heterozygous
2 different alleles for 1 trait
Genotype
the pairs of alleles;genes
Phenotype
expression of an allele pair;appearance
Law of segregation
alleles separate during meiosis
Hybrids
heterozygous organism
Genotypic ratio
ratio of different genotypes
Phenotypic ratio
ratio of different phenotypes
Law of independent assortment
alleles distribute into random gametes
Horizontal side
write the male gametes
Vertical side
write the female gametes
Squares
combinations of gametes TT,Tt,Tt,tt