Genes & Gregor Mendel

Genes & Gregor Mendel

Ms. Cabrera

Multiple Choice

A version or variation of a gene

• trait

• gene

• allele

• DNA

Multiple Choice

an observable characteristic

• trait

• personality

• cell

• DNA

Multiple Choice

A segment of DNA that codes for a trait

• gene

• allele

• chromosome

• chromatid

Multiple Choice

When a self-pollinating plant always produces offspring with the same trait as the parent, the parent is _____ for that trait.

• codominant

• heterozygous

• hybrid

• true-breeding

Multiple Choice

The _____ of a flower produces pollen, which fertilizes the egg in the pistil.

• anther

• ovary

• stem

• sepals

Multiple Choice

Sperm cells from pollen fertilize egg cells in the _____ of a flower.

• anther

• nucleus

• pistil

• stamen

Multiple Choice

Mendel used pea plants to study heredity because they _____ quickly.

• cook

• spoil

• evolve

• reproduce

Multiple Choice

The gene that is expressed. Brown eyes are ___ over blue.

• dominant

• recessive

• homozygous

• heterozygous

Multiple Choice

_____ is when pollen from one plant reaches the pistil of a flower on a different plant.

• Asexual reproduction

• Cross-pollination

• Self-pollination

• Regeneration