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Meiosis

100

Which of the following is a result of Meiosis?____ A. Diploid cells are reduced by 1/2 B. Diploid cells double

Diploid cells are reduced by 1/2

200

In mitosis, a 2n body cells produces two identical 2n body cells. How is meiosis different? A. body cell is doubled B. starts with a (2n) body cell and produces 4 (n) gametes

B. starts with a (2n) body cell and produces 4 (n) gametes

300

What is being produced in meiosis? A. haploid gametes B. haploid body cells

A. haploid gametes

400

Sperm cells, compared to egg cells, are : A. larger B. smaller

B. smaller

500

Where are Sperm cells produced A. ovaries B. testes

testes

more meiosis

100

An organism has 62 chromosomes. After completion of meiosis, how many chromosomes will the gametes contain?

1/2 = 31

200

How many chromosomes are in a human gamete?

23

300

During meiosis, homologous chromosomes exchange genetic material. what does this change of material do? A. increases genetic variation B. reduces the diploid number to the haploid number

A. increases genetic variation

400

Why are siblings genetically different from one another? (apart from identical twins)

Meiosis

500

The process by which homologous chromosomes seek each other out is referred to as _________ A. crossing overB. synapsis

A. crossing over

More Meiosis

100

How many functional gametes are produced in the male as a result of meiosis?

4

200

What kind of cell does meiosis begin with? A. haploid B. diploid

B. diploid

300

What process makes gametes?

Meiosis

400

How is mitosis different than meiosis?

Mitosis makes identical cells, meiosis creates genetically unique cells with half number chromosomes

500

The total amount of chromosomes A. Haploid B. Diploid

B. Dioploid

Meiosis & Reproduction

100

What is the name of the organ that allows for gas exchange and nutrient exchange between mother and fetus?

Placenta

200

Half the total amount of chromosomes A. Haploid B. Diploid

A. Haploid

300

A mutation can only be inherited if it occurs in...

reproductive cells/gametes

400

A fertilized egg cell A. Gamete B. Zygote

B. Zygote

500

Why is Meiosis also called Reductional cell division?

chromosome number is reduced by 1/2

Final Meiosis

100

Centromeres do not break in this phase A. Anaphase I B. Anaphase II

A. Anaphase I

200

When Sperm & egg unite.

Fertilization

300

.____ in Synapsis creates genetic recombination A. Crossing Over B. spermatogenesis

A. Crossing over

400

When is a fetus called a "baby"?

When it's born

500

What is the name of the result of fertilization?

Zygote