A | B |
Codominance | both alleles for a gene are expressed in a heterozygous offspring |
Complete dominance | one allele is completely dominant over another plants are indistinguishable in phenotype. |
Dihybrid cross | cross between individuals that involves 2 pairs of contrasting traits |
Genotype | genetic make of an organism consists of the alleles that are inherited from parents |
Genotype ratio | ratio of the genotypes that appear in offspring |
Heterozygous | two alleles in a pair are different |
Homozygous | when both alleles of a pair are alike |
Incomplete dominance | offspring will have a phenotype in between the parents |
Monohybrid cross | cross between individuals that involves one pair of contrasting traits |
Phenotype | appearance of an organism as a result of its genotype |
Phenotypic ratio | the ratio of the offspring’s phenotype |
Probability | the likelihood that a specific event will occur |
Punnett square | used to predict the probability that certain traits will be inherited by offspring |
Testcross | an individual of unknown genotype is crossed with a homozygous recessive individual |