Which of the following is a resul tof 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
How many functional gametes are produced in the female as a result of meiosis?
1
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
Meiosis is also referred to as ___________ cell division.
A. Body C. Somatic
B. Reductional
B. Reductional
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
In meiosis II synapsis and crossing over does not occur because there are no ___________________
A. homologous partners B. spindle fibers
A. homologous partners
300
Synapsis does not occur in this phase
A. Prophase I B. Prophase II
B. Prophase II
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
Synapsis will always occur in this phase of meiosis. A. Prophase I B. Prophase II
A. Prophase I
400
Homologous partners line up at the equator in
A. Metaphase I B. Metaphase II
A. Metaphase I --there are no partners in II
400
A fertilized egg cell
A. Gamete B. Zygote
B. Zygote
400
What is oogenesis?
process of egg cell production
500
Where are Sperm cells produced
A. ovaries
B. testes
testes
500
The process by which homologous partners seek each other out is referred to as _________
A. crossing over B. 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?