2023 Review Meiosis AP Bio

The two ways to increase genetic variation during meiosis are crossing over and ________.

• Synapsis

• Tetrad

• Independent assortment

• Gameiosis

During anaphase II _______.

• chromatids are pulled apart

• homologs separate

• new nuclei form around chromosomes

• the nucleus breaks down

End result of Mitosis

(2 correct answers)

• 2 daughter cells

• 4 daughter cells

• identical (exactly the same)

• different

End result of Meiosis

(2 correct answers)

• 2 daughter cells

• 4 daughter cells

• identical (exactly the same)

• different

Egg cells and sperm cells are called:

• Spores
• Gametes
• Algae
• Diploid

Fruit fly body cells have 8 chromosomes. Predict the number of chromosomes in the fruit fly daughter cell after mitosis.

• 16 chromosomes.

• 46 chromosomes.

• 8 chromosomes.

• 4 chromosomes.

Select the best statement that describes the process shown.

• mutation in which the DNA content of the gene is ltered

• segregation of sister chromatids

• condensation and segregation of the alleles

• crossing-over which alleles are exchanged

Predict the chromosome number in a butterfly egg, if an intestinal cell in a butterfly contains 24 chromosomes.

• 3

• 6

• 12

• 24

Select the advantage of sexual reproduction.

• offspring are identical to parents

• offspring are resistant to viruses

• offspring are born live, rather than from eggs

• offspring inherit a wider variety of genetic information

A male shark has 40 chromosomes in each of its sex cells. Predict the chromosome number that would be present in its body cells.

• 20

• 40

• 80

• 160