Meiosis
more meiosis
More Meiosis
Meiosis & Reproduction
Final 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

100
An organism has 62 chromosomes. After completion of meiosis, how many chromosomes will the gametes contain?
1/2 = 31
100
How many functional gametes are produced in the male as a result of meiosis?
4
100

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

Placenta

100
Centromeres do not break in this phase A. Anaphase I B. Anaphase II
A. Anaphase I
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
200

How many chromosomes are in a human gamete?

23

200
What kind of cell does meiosis begin with? A. haploid B. diploid
B. diploid
200
Half the total amount of chromosomes A. Haploid B. Diploid
A. Haploid
200
When Sperm & egg unite.
Fertilization
300
What is being produced in meiosis? A. haploid gametes B. haploid body cells
A. haploid gametes
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
300

What process makes gametes?

Meiosis

300

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

reproductive cells/gametes

300
.____ in Synapsis creates genetic recombination A. Crossing Over B. spermatogenesis
A. Crossing over
400
Sperm cells, compared to egg cells, are : A. larger B. smaller
B. smaller
400

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

Meiosis

400

How is mitosis different than meiosis?

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

400
A fertilized egg cell A. Gamete B. Zygote
B. Zygote
400

When is a fetus called a "baby"?

When it's born

500
Where are Sperm cells produced A. ovaries B. testes
testes
500

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

A. crossing over

500
The total amount of chromosomes A. Haploid B. Diploid
B. Dioploid
500
Why is Meiosis also called Reductional cell division?
chromosome number is reduced by 1/2
500

What is the name of the result of fertilization?

Zygote

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