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Genetics and Punnett Squares
flashcards about genetics and Punnett squares
23 cards·by beyonddesirable
Gregor Mendel
Austrian monk; father of genetics
Self-Fertilization
Male and female gametes of the 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 (peaplants)
P-generation
parent generation
F1 generation
offspring of the p-cross
F2 generation
the offspring of the F1 cross
Allele
different form of 1 gene
Dominant
the trait that appears
Recessive
the trait that is masked
Homozygote
2 of the same alleles for 1 trait
Heterozygous
2 different alleles for 1 trait
Genotypes
the pairs of alleles;GENES
Phenotype
expression of the allele pair;APPEARANCE
Law of Segregation
alleles separate during meiosis
Hybrids
heterozygous organism
Genotype Ratio
ratio of different genotypes
Phenotype Ratio
ratio of different phenotypes
Law of Independent Assortment
alleles distribute into random gametes
Horizontal side
male gametes (Tt)
Vertical side
female gametes (Tt)
Squares
combination of gametes (TT,Tt,tt,Tt)