4.3 Meiosis

Compared to the number of chromosomes in a body cell, how many chromosomes would normally be contained in a gamete?

• the same number

• 1/4 as many

• twice as many

• half as many

In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "crossover" and exchange genetic information?

• Prophase I

• Metaphase I

• Anaphase I

• Telophase I

Which cells are NOT formed during meiosis?

• Somatic cells

• Gametes

• Sex cells

• Sperm cells

Tags

NGSS.HS-LS3-2

Two similar chromosomes that you inherit from your parents (one from your mother and one from your father) are called

• homologous chromosomes

• sister chromatids

• sex chromosomes

• homozygous alleles

Tags

NGSS.HS-LS3-1

A sperm cell of an octopus has 14 chromosomes. What is the total number of chromosomes that should be present in a stomach cell of the same octopus?

• 7

• 14

• 28

• 46

Tags

NGSS.HS-LS3-1

Which event takes place during anaphase II of meiosis?

• nuclear membrane breaks down

• sister chromatids separate

• spindle fibers break down

• cytoplasm divides

Somatic cells in humans contain _____ chromosomes and an example is _______________.

• 30; skin cells

• 23; heart cells

• 46; liver cells

• 46; sperm cells

Tags

NGSS.HS-LS3-1

Sister chromatids line up in the middle of the cell single file during which phase?

• Telophase I

• Telophase II

• Metaphase I

• Metaphase II

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

Which process and type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

Tags

NGSS.HS-LS1-4