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