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Standard 3 Part 2
Test Description: Standard 3 part 2: Genetics
Instructions: Answer all questions to get your test result.
1) What is the longest stage if cell cycle?
A
Interphase
B
Prophase
C
None of them they are all the same length
D
Cytokinesis
2) Gametes are produced by the process of:
A
replication
B
crossing-over
C
meiosis
D
mitosis
3) During mitosis
A
the nucleus of the parent cell divide into two nuclei
B
the union of sperm and egg
C
cell division occurs that produces that produces sex cells with 1/2 number of chromosomes
D
the cytoplasm and its content divides into 2 daughter cells.
4) Which of the following is NOT found in animal cells?
A
cell membrane
B
vesicle
C
lysosome
D
cell wall
5) A gene:
A
All of the above
B
typically contains one allele from each parent.
C
is a segment of DNA located on chromosomes.
D
determines an organism’s traits.
6) If a recessive trait is expressed in an organism's phenotype, what can you determine about its genotype?
A
You cannot determine anything about the organism\\\'s genotype
B
at least one allele in the genotype is recessive
C
Both alleles in the genotypes are recessive
D
Both alleles in the genotype are dominant.
7) An organism genotype describe:
A
RR, RR, Rr, Rr
B
rr, rr, rr, rr
C
Rr, Rr, Rr, Rr
D
RR, Rr, Rr, rr
8) If a green seed (yy) is crosses with another green seed (yy) what can you predict about the offspring?
A
the recessive trait will show
B
All of the above
C
the phenotype will be green
D
the genotypes will be yy
9) A human has 46 chromosomes. How many chromosomes are in a human sex cell?
A
16
B
46
C
96
D
23
10) The first phase of mitosis is called
A
metaphase
B
anaphase
C
prophase
D
interphase
*select an answer for all questions
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