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LS3.B - Variation Of Traits - Level 3
Test Description: LS3.B - Variation of Traits - Level 3
Instructions: Answer all questions to get your test result.
1) A process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
A
recombination
B
asexual reproduction
C
sexual reproduction
D
inheritance
2) A process that involves only one parent and produces offspring that are identical to the parent.
A
sexual reproduction
B
asexual reproduction
C
recombination
D
inheritance
3) threadlike structures made of DNA molecules that contain the genes
A
all of the answer choices
B
proteins
C
chromosomes
D
alleles
4) Any difference between individuals of the same species.
A
alleles
B
traits
C
variations
D
mutations
5) different versions of the same gene
A
mutations
B
offspring
C
chromosomes
D
alleles
6) the genetic process by which one chromosome breaks off and attaches to another chromosome during reproductive cell division
A
meiosis
B
recombination
C
mitosis
D
asexual reproduction
7) changes in the genetic material
A
chromosomes
B
variations
C
mutations
D
environmental factors
8) __________ reproduction results in offspring with identical genetic information and __________ reproduction results in offspring with more genetic variation.
A
asexual; sexual
B
asexual; asexual
C
sexual; asexual
D
sexual; sexual
9) Variation among individuals of the same species can be explained by __________.
A
mutations and genetic factors
B
genetic factors and recombination
C
mutations and environmental factors
D
genetic and environmental factors
10) In sexually reproducing organisms, individuals have two of each chromosome and hence two __________ of each gene, one acquired from each parent.
A
offspring
B
DNA
C
mutations
D
alleles
*select an answer for all questions
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