Friday, April 29, 2011

genotype phenotype probabilities

Patterns of genetic inheritance obey the laws of probability. In a monohybrid cross, where the alleles present in both parents are known, each genotype shown in a Punnett Square is equally likely to occur. Since there are four boxes in the square, every offspring produced has a one in four, or 25%, chance of having one of the genotypes shown.

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