Unit 4 Concept 3 - Meiosis

A portion of DNA that is condensed and rod-like

• gene
• codon
• chromosome
• nucleotide

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?

• 28
• 7
• 14
• 46

Tags

NGSS.HS-LS3-2

NGSS.HS-LS1-4

The distribution of chromosomes in one type of cell division is shown in the diagram to the right. Which process is being represented in the diagram?

• Meiosis
• Asexual reproduction
• Mitosis
• DNA replication

Tags

NGSS.HS-LS1-4

Which rows in the diagram pictured to the right correspond to cells that are haploid? (REMEMBER TO COUNT BY THE CENTROMERE!)

• middle and bottom row
• bottom row
• top row
• middle row

Tags

NGSS.HS-LS3-2

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

• Half as many
• Twice as many
• The same number
• 1/4th 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

Which event takes place during anaphase II of meiosis?

• sister chromatids separate
• cytoplasm divides
• nuclear membrane breaks down
• spindle fibers break down

Sex cells in humans contain ____ chromosomes and an example is ______.

• 46; liver cells
• 46; heart cells
• 23; egg cell
• 30; skin cells

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

• Metaphase II
• Metaphase I
• Telophase II
• Telophase I