Gregor Mendel worked with _______.

Mendel reasoned that an individual has ______ factor(s) for every trait.

The genetic factors ______ during the formation of the gametes.

A capital letter indicates a/an ______ allele.

______ means that the two members of the allelic pair in the zygote are the same.

The expected ratio for a monohybrid cross is _______.

In a cross of a round hybrid pea with a true breeding round parent (Ww x WW), what genotypic proportions would be observed in the offspring?

If a child has a characteristic that neither parent has, the characteristic ____________.

Independent ______occurs because each pair of homologous chromosomes separate independently of the others.

If any of the offspring of a two-trait testcross has a recessive phenotype, the parent with the dominant phenotype must be ______ for that trait.

a. homozygous                                                            c. dominant

b. heterozygous                                                           d. homozygous recessive

When a trait is governed by two or more sets of alleles, possibly located on many different pairs of chromosomes, it is called _____ inheritance.

Type O blood results from the inheritance of ______ .

Any chromosome that is not a sex chromosome in humans is __________.