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Genetics
Test Description: Genetics review
Instructions: Answer all questions to get your test result.
1) chromosome is to nucleus as DNA is to
A
cytoplasm
B
gene
C
cell membrane
D
chloroplast
2) Each body cell ofa goldfish contains 94 chromosomes. How many chromosomes are contained in a goldfish sex cell?
A
23
B
47
C
94
D
188
3) In sexual reproduction, what fraction of genes does each parent contribute to the offspring?
A
1/3
B
3/4
C
1/4
D
1/2
4) The male sex cell is the
A
ovary
B
egg
C
sperm
D
testes
5) The vast variety of different traits found in humans results from
A
birth defects and recessive genes
B
sexual reproduction and mutations
C
exercise and conditioning
D
intensive training and education
6) Which organism consists of one cell?
A
amoeba
B
mushroom
C
earthworm
D
pine tree
7) Which condition is the result of abnormal cell division?
A
cancer
B
pregnancy
C
infection
D
extinction
8) Which process is responsible for growth and repair
A
asexual reproduction
B
mitosis
C
sexual reproduction
D
cancer cells
9) Which process gives rise to a variety of traits within a species?
A
internal regulation
B
sexual reproduction
C
cellular respiration
D
dynamic equilibrium
10) If a species is not longer able to reproduce, it will
A
adapt to its environment
B
become immune to disease
C
become extinct
D
increase its population
*select an answer for all questions
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