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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
Prophase
B
Cytokinesis
C
Interphase
D
None of them they are all the same length
2) Gametes are produced by the process of:
A
meiosis
B
crossing-over
C
mitosis
D
replication
3) During mitosis
A
the cytoplasm and its content divides into 2 daughter cells.
B
the nucleus of the parent cell divide into two nuclei
C
the union of sperm and egg
D
cell division occurs that produces that produces sex cells with 1/2 number of chromosomes
4) Which of the following is NOT found in animal cells?
A
cell wall
B
vesicle
C
cell membrane
D
lysosome
5) A gene:
A
All of the above
B
is a segment of DNA located on chromosomes.
C
typically contains one allele from each parent.
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
Both alleles in the genotypes are recessive
B
Both alleles in the genotype are dominant.
C
You cannot determine anything about the organism\\\'s genotype
D
at least one allele in the genotype is recessive
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 phenotype will be green
B
the genotypes will be yy
C
the recessive trait will show
D
All of the above
9) A human has 46 chromosomes. How many chromosomes are in a human sex cell?
A
16
B
23
C
46
D
96
10) The first phase of mitosis is called
A
metaphase
B
interphase
C
prophase
D
anaphase
*select an answer for all questions
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