DNA - Meiosis and Asexual Reproduction

Which cellular process is shown?

• meiosis
• endocytosis
• mitosis
• phagocytosis

Tags

NGSS.HS-LS1-4

Which of the following best describes meiosis?

• It is carried out in all tissues theat require cell replacement
• It occurs only in cells in the reproductive structures of an organism
• It happens in all of the tissues except the brain and spinal cord
• It is the first stage of mitosis

Tags

NGSS.HS-LS3-2

products of meiosis are genetically

• different
• identical

Tags

NGSS.HS-LS3-2

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Which of the following represents chromosome # during fertilization?

• n+n=2n
• n=n
• 2n=n+n
• 2n=2n

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

Tags

NGSS.HS-LS3-2

How many daughter cells does Meiosis create?

• 2
• 4
• 8
• 1

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

The process of crossing over occurs in what phase of meiosis?

• anaphase 1
• prophase 1
• prophase 2
• telophase 1

What phase is represented?

• metaphase 1
• metaphase 2
• anaphase 1
• anaphase 2