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Heredity And Reproduction
Test Description: Heredity and Reproduction
Instructions: Answer all questions to get your test result.
1) Chromosomes are located in the ________.
A
nucleus
B
xylem
C
genes
D
mitochondria
2) A ________ is a section of a chromosome that is responsible for a specific trait.
A
gene
B
DNA
C
chromatid
D
nucleotide
3) The genetic makeup of an organism is it's __________.
A
traits
B
phenotype
C
genotype
D
chromosomes
4) The traits an organism has is it's __________.
A
genotype
B
chromosomes
C
phenotype
D
phloem
5) Birds fertilize the egg _______.
A
internally
B
externally
6) Mammals fertilize the egg _______.
A
internally
B
externally
7) Fish fertilize the egg _______.
A
externally
B
internally
8) Reptiles fertilize the egg _______.
A
internally
B
externally
9) Amphibians fertilize the egg _______.
A
internally
B
externally
10) A plant budding is an example of _____________.
A
internal fertilization
B
sexual reproduction
C
asexual reproduction
D
external fertilization
11) In sexual reproduction _____ of the chromosomes come from the mother.
A
50%
B
0%
C
75%
D
100%
12) In asexual reproduction _____ of the chromosomes come from the mother.
A
75%
B
100%
C
0%
D
50%
13) The main benefit of sexual reproduction is __________.
A
genetic variation
B
protection of offspring
C
rate of reproduction
D
genetic similarities
14) The main benefit of asexual reproduction is __________.
A
rate of reproduction
B
protection of offspring
C
genetic variation
D
genetic similarities
15) The main disadvantage of sexual reproduction is __________.
A
genetic similarities
B
rate of reproduction
C
protection of offspring
D
genetic variation
16) The main disadvantage of asexual reproduction is __________.
A
protection of offspring
B
rate of reproduction
C
genetic similarities
D
genetic variation
17) The main advantage of internal fertilization is __________.
A
genetic similarities
B
rate of reproduction
C
protection of offspring
D
genetic variation
18) The main disadvantage of internal fertilization is __________.
A
offspring more likely to survive
B
fewer offspring
C
choosing the other parent
D
protection of offspring
19) The main advantage of external fertilization is __________.
A
choosing the other parent
B
slow reproduction
C
protection of offspring
D
genetic variation
20) The main disadvantage of external fertilization is __________.
A
protection of offspring
B
genetic variation
C
choosing the other parent
D
rate of reproduction
*select an answer for all questions
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