Heredity

The genetic material from parents to offspring

• Heredity

• Gene

• Allele

• Codominance

Section of chromosome that has genetic information for one trait

• Gene

• Allele

• Phenotype

• Homozygous

Different forms of a gene

• Gene

• Codominance

• Allele

• Phenotype

The two alleles that control the phenotype of a trait

• Genotype

• Phenotype

• Dominant

• Recessive

Physical appearance of a trait

• Phenotype

• Genotype

• Dominant

• Recessive

Offspring's phenotype is a blend of the parents'

• Recessive

• Phenotype

• complete dominance

• incomplete dominance

The phenotypes of both parents are seen in the offspring

• Codominance

• Incomplete dominance

• Heredity

• Phenotype

Having two of the same alleles

• Homozygous

• Heterozygous

Having two different alleles of a gene

• Homozygous

• Heterozygous

In horses, the gene for white hair (W) is dominant to the gene for non-white hair (w). A horse with the genotype (Ww) was crossed with a horse with the genotype (ww), as shown in the Punnett Square. What fraction of the offspring should be expected to have white hair?

• none

• 1/2

• 3/4

• all