Genetics Monday Work 3-5-24

A TT (tall) plant is crossed with a tt (short plant). What percentage of the offspring will be tall?

• 0%

• 25%

• 50%

• 100%

Show the cross of a Tt plant and a Tt plant. What percentage of the offspring will be short? What percentage is tall?

• 25% short, 75% tall

• 50% short, 50% tall

• 75% short, 25% tall

• 100% tall

A heterozygous round seeded plant (Rr) is crossed with a homozygous round seeded plant (RR). What percentage of the offspring will be homozygous (RR)?

• 25%

• 50%

• 75%

• 100%

In pea plants purple flowers are dominant to white flowers. Two white flowered plants are crossed. What percentage of their offspring will have white flowers?

• 0%

• 25%

• 50%

• 100%

A white flowered plant is crossed with a plant that is heterozygous for the trait. What percentage of the offspring will have purple flowers? White flowers?

• 25% purple, 75% white

• 50% purple, 50% white

• 75% purple, 25% white

• 100% purple, 0% white

Two plants, both heterozygous for the gene that controls flower colors are crossed. What percentage of their offspring will have purple flowers? What percentage will have white flowers?

• 75% purple, 25% white

• 50% purple, 50% white

• 25% purple, 75% white

• 100% purple, 0% white

Which vocabulary word from this assignment do you understand the most and why?

Which vocabulary word from this assignment do you understand the least and why?