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7 terms

Vocab 6.5 for real

punnett square
a punnett is a grapic used to predict the possilbe genotypes of offspring in a given cross.
is the mathematical chance of a specific outcome in relation to the total number of possible outcomes.
a hybrid produced by crossing parents that are homozygous except for a single gene locus that has two alleles (as in Mendel's experiments with garden peas)
a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
a hybrid produced by parents that differ only at two gene loci that have two alleles each
crossing over
the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
genetic linkage
tendency for alleles of genes on the same chromosome to be inherited together