Heredity

A red flower (RR) is crossed with a white flower (WW). The red is not completely dominant over the white, which results in pink flowers. What type of dominance has occurred?

• codominance

• complete dominance

• incomplete dominance

A brown cow and a white cow produce a calf that has white and brown spots. What type of dominance has occurred?

• codominance

• complete dominance

• incomplete dominance

A child receives a dominant allele for Type A blood from his father and a dominant allele for Type B blood from his mother, resulting in Type AB blood for him. What type of dominance has occurred?

• codominance

• complete dominance

• incomplete dominance

A pedigree for a family disease shows that some family members are carriers. How would you describe the allele for this disease?

• dominant

• recessive

• sex-linked

A yellow pea plant is crossed with a green plant, resulting in all yellow peas. What type of dominance has occurred?

• codominance

• complete dominance

• incomplete dominance

Tags

NGSS.MS-LS4-4

Some traits are controlled by multiple sets of genes. What type of trait are these?

• monogenic

• polygenic

• transgenic

Look at the following pedigree. Does this pedigree show a dominant or recessive disease?

• dominant

• recessive

• neither

Look at this pedigree. Does this pedigree show a dominant or recessive trait?

• dominant

• recessive

• neither

Look at this karyotype. Is this karyotype for a male or a female?

• female

• male

• neither

An offspring receives an X chromosome and a Y chromosome from their parents. What is the sex of this offspring?

• female

• male

• neither