Meiosis and Chromosomal Mutations

How many chromosomes are in a human sperm cell?

• 23

• 46

• 69

• 92

How many chromosomes are in a human UNfertilized egg cell?

• 23

• 46

• 69

• 92

Sperm and eggs are ______ cells because they contain one member of each homologous pair.

• haploid

• diploid

Tags

NGSS.HS-LS3-2

How many chromosomes in a human zygote (fertilized egg)?

• 23

• 46

• 69

• 92

If a sperm with a typical number of chromosomes fertilized an egg with an extra chromosome, how many chromosomes would be in the zygote?

• 23

• 46

• 47

• 69

Tags

NGSS.HS-LS3-1

If a sperm with a typical number of chromosomes fertilized an egg that was missing a chromosome, how many chromosomes would be in the zygote?

• 23

• 45

• 46

• 47

Tags

NGSS.HS-LS3-1

How many chromosomes would be in a zygote if TWO sperm fertilized ONE egg?

• 23

• 46

• 69

If a zygote contains 46 chromosomes, how many chromosomes would be in the body cells produced by MITOSIS

• 23

• 46

• 69

• 92

Tags

NGSS.HS-LS1-4

If a zygote contains 47 chromosomes, how many chromosomes would be in the body cells produced by MITOSIS?

• 23

• 46

• 47

• 69

Tags

NGSS.HS-LS1-4

What type of mutations results when a piece of a chromosome is MISSING?

• Duplication

• Deletion

• Inversion

Tags

NGSS.HS-LS3-2