2020 Second Semester Biology Exam

When there are two sets of chromosomes the cell is said to be?

• Haploid

• Diploid

• Somatic Cell

• Gametes

The purpose of meiosis is to produce

• Diploid sex cells can combine to form zygotes.

• Body cells with half the number of chromosomes as their parents.

• Haploid sex cells that can combine to form zygotes.

• Diploid somatic cells that can combine to form zygotes.

Compared with a body cell, a sperm cell of the same species has

• A greater amount of chromosomes

• A lesser amount of chromosomes

• The same amount of chromosomes

• No chromosomes

The purpose of meiosis is to produce cells that contain the __________ number of chromosomes.

• Tetraploidy

• Polyploidy

• Haploid

• Diploid

The purpose of mitosis is to produce

• Copies of chromosomes and cells that are different from their parents.

• Four haploid identical cells.

• Shared proteins and ribosomes.

• Copies of chromosomes and cells that are identical to their parents.

If a diploid parent has 20 chromosomes before meiosis, how many chromosomes would the haploid daughter cells have?

• 20

• 40

• 10

• 5

Which of the following is true about meiosis?

• Four body cells are produced

• Two body cells are produced

• Four sex cells are produced

• Two sex cells are produced

Which process and type of resulting cells are represented in the diagram?

• meiosis, which produces body cells.

• mitosis, which produces gametes

• meiosis, which produces gametes

• mitosis, which produces body cells

A heterozygous green pea plant was crossed with a homozygous recessive yellow plant. Which of the following best represents the heterozygous green plant's genotype?

• GG

• gg

• Gg

• GY

If a heterozygous green pea plant were crossed with a recessive yellow plant, what percent of their offspring could be green? You have to do the Punnett Square

• 50%

• 100%

• 75%

• 25%