Meiosis and Sexual Reproduction

How many daughter cells are produced within Meiosis?

• 1

• 2

• 3

• 4

How does the DNA of the daughter cells of meiosis compare to each other?

• they all have the same DNA but different amounts

• they all have the same amount of DNA but there is genetic variation

• they all have different amounts of DNA and there is genetic variation

• they all have the same amount of DNA with no genetic variation

If a body cell of an animal has 50 chromosomes, how many chromosomes does the gamete of the animal have?

• 50

• 100

• 12.5

• 25

What is male sex cell called?

• an egg

• a sperm

• a zygote

• none of the above

What is the female sex cell called?

• an egg

• a sperm

• a zygote

• none of the above

True or false: DNA is replicated more than once during meiosis.

• true

• false

Select the best description for crossing over:

• the different combinations in which chromosomes separate

• when chromosomes hug and swap genetic information

• when chromosomes get split up they swap genetic information

• when a chromosome was on one side of the cell then crosses to another side

Which of the following organism is most likely to undergo external fertilization?

• human beings

• dogs

• sea urchins

• birds

Which of the following is the best description for external fertilization?

• sperm and egg cell meet inside the bodies of the parents and are then released

• sperm and egg cell meet inside of the bodies of the parents

• sperm and egg cells don't meet at all

• sperm and egg cell meet outside of the bodies of the parents

Which of the following is the best description for internal fertilization?

• sperm and egg cell meet inside the bodies of the parents and are then released

• sperm and egg cell meet inside of the bodies of the parents

• sperm and egg cells don't meet at all

• sperm and egg cell meet outside of the bodies of the parents