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Lujan Meiosis Questions
Test Description: Test 3
Instructions: Answer all questions to get your test result.
1) What is formed at the end of Meiosis ll?
A
gametes
B
centromeres
C
diploid cells
D
identical cells
2) When meiosis is finished the cells made have _____ the number of chromosomes of the original cell
A
triple
B
double
C
half
D
same
3) During meiosis, how many haploid cells (or gametes) are generated when one diploid eukaryotic cell divides?
A
3
B
1
C
2
D
4
4) Cell division that forms 4 sex cells (gametes)
A
Transcription
B
Mitosis
C
Translation
D
Meiosis
5) Cell division the forms cells with half the number of chromosomes as the parent cell
A
Meiosis
B
Transcription
C
Translation
D
Mitosis
6) Meiosis causes
A
identical chromosomes
B
genetic variation
C
similar traits
D
all of these
7) If a haploid cell of an earthworm has 18 chromosomes, how many chromosomes are in an earthworm skin cell?
A
9
B
36
C
None of these
D
18
8) If the diploid number of chromosomes in a rabbit is 44, how many chromosomes are in a rabbit sperm cell?
A
None of these
B
88
C
22
D
44
9) If the haploid number in the sperm of a horse is 30 what is the diploid number of the body cells of the horse?
A
90
B
60
C
23
D
15
10) During what phase does crossing over occur?
A
metaphase II
B
prophase I
C
metaphase I
D
prophase II
11) What is formed at the end of meiosis?
A
two genetically different cells
B
four genetically identical cells
C
two genetically identical cells
D
four genetically different cells
12) If an organism's diploid number is 12, what is its haploid number?
A
24
B
3
C
6
D
12
13) Unlike mitosis, meiosis results in for formation of
A
diploid cells
B
haploid cells
C
2N daughter cells
D
body cells
14) During which phase do the sister chromatids separate and move to opposite ends of the cell?
A
anaphase I
B
telophase II
C
anaphase II
D
metaphase II
15) When two gametes come to together they make a ________________
A
zygote
B
triploid cell
C
haploid cell
D
sperm
16) In sexual reproduction two ________ sex cells come together to form a new individual.
A
prokaryotic
B
identical
C
haploid
D
diploid
17) Crossing over occurs in prophase of meiosis I. Crossing over results in
A
new combinations of genes on a chromosome.
B
genetically identical homologous chromosomes.
C
double the number of original chromosomes.
D
half the number of original chromosomes.
18) For a human baby to be born a boy he must receive
A
both an X and a Y chromosome from the father.
B
an X chromosome from the father.
C
a Y chromosome from the father.
D
a Y chromosome from the mother.
19) Which of the following is an advantage of sexual reproduction?
A
It leads to increased genetic diversity.
B
It leads to decreased genetic diversity.
C
There is no need to find a mate.
D
It does not require meiosis.
20) When during the cell cycle is a cell’s DNA replicated?
A
S phase
B
G1 phase
C
G2 phase
D
Mitosis
*select an answer for all questions
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