Genetics - Mendel's Experiments

A true-breeding purple plant and a true-breeding white plant cross-pollinate. The offspring will be ______.

• 75% white, 25% purple

• 75% purple, 25% white

• 50% purple, 50% white

• 100% purple

Parents pass their traits down to their offspring through their ______.

• reproductive cells

• body cells

• son cells

• daughter cells

______ is the study of how traits are passed from parents to offspring.

• Fertilization

• Genetics

• Selective breeding

• Seed production

Mendel thought the purple factor was the only factor seen because it ______ the white factor.

• creates

• adds to

• blocks

• emphasizes

Self-pollination is when the pollen lands ______.

• on the next plant over

• back where it came from

• on the person holding the plant

• on the same plant

What did Mendel conclude about inherited traits?

• Four factors control each inherited trait.

• Three factors control each inherited trait.

• One factor controls each inherited trait.

• Two factors control each inherited trait.

Gregor Mendel studied heredity using ______ plants.

• tundra

• pea

• maize

• rose

The study of ______ is called genetics.

• mutations

• dominance

• pea plants

• heredity

Why did Mendel use cross-pollination in his experiments? He wanted to...

• ...speed up self-pollination.

• ...control which plants pollinated other plants.

• ...avoid having to wash dishes.

• ...make sure dominant factors were always produced.

A genetic factor that blocks another genetic factor is called a(n) ______.

• heredity trait

• genetic trait

• dominant trait

• recessive trait