Scientific study of heredity

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Presentation transcript:

Scientific study of heredity Genetics Scientific study of heredity

F1 Generation First filial generation

P Generation Parental generation

recessive Allele that may not be expressed

Independent Assortment Two or more pairs of alleles segregate independently

Probability Likelihood that something will happen

Codominance Both genes in the heterozygous condition are fully expressed—you see both

Homozygous Having identical pair of alleles TT or tt

alleles Different forms of a gene

phenotype Physical appearance

segregation Law that says two factors for a trait segregate into two different gametes

Dominant Allele that is always expressed if present

Monohybrid Focuses on only one trait using a punnett square

Heterozygous Having two different alleles for the same trait Tt

Punnett Square Grid that shows possible outcomes of a cross

Dihybrid Cross Shows two traits in a punnett square

Mutation Change in a gene

Genotype The alleles that make up an organism

Incomplete Dominance Intermediate forms of traits of two parents are displayed