Probability

• incomplete dominance: heterozygous phenotype is intermediate between the homozygous phenotypes
• co-dominance: when two alleles are equally dominant and equally recessive
• All probability answers must come out between 0 (never) and 1 (always)
• If neither allele is dominant, it's best to use another designation and all genotypes must be defined in the legend
• independenr events probability of (A, B, C) = (probability of A) x (probability of B) x (probability of C)
• What is the probability that a Cc, Tt, D'D individual will produce a C,t,D gamete?

  1/8
• probability of simultaneous events probability of (A or B) = (probability of A) + (probability of B) - (probability of A, B)
• binomial distribution probability of (x, y) = (n/x!y!) x (p^x*q^y)
• 6! = 6 x 5 x 4 x 3 x 2 x 1
• 0! = 1
• N^0 = 1