Final_Wood_Sem_2

Mendel is called

• the father of peas

• the father of meiosis

• the father of genetics

• a wacko monk

If John is described as a tongue roller with a widow’s peak, we are describing his

• genotype

• alleles

• phenotype

• pedigree

The branch of science that studies inherited traits is called

• biology

• meiosis

• genetics

• mitosis

Mendel cross-pollinated pea plants by taking the ________ from one flower and transferring it to ________ flower.

• gamete, the same

• gamete, a different

• autosome, the same

• autosome, a different

Contrasting forms of a trait, such as tall or short, are called

• chromosomes

• hybrids

• dominants

• alleles

A graphic representation (or picture) or a family tree showing inheritance patterns is called a(n)

• Punnett square

• phenotype

• pedigree

• gene linkage map

A woman with webbed toes (Ww) marries a man with normal toes (ww). Webbed toes is a _______________ trait.

• recessive

• sex-linked

• dominant

• masked

The trait tongue rolling is dominant (T) in humans. If there is a cross between a homozygous recessive individual and a heterozygous individual, which of the following is a possible genotype of their offspring?

• Tt

• tongue roller

• TT

• non-tongue roller

In guinea pigs, black is dominant to white. If a black guinea pig is crossed with a white guinea pig and the litter contains white offspring, the genotype of the black parent is probably

• homozygous dominant

• homozygous recessive

• heterozygous

A trait that occurs in 735 out of 1470 individuals occurs with a probability of

• 25%

• 50%

• 75%

• 100%