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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
inheritance
B
recombination
C
asexual reproduction
D
sexual reproduction
2) A process that involves only one parent and produces offspring that are identical to the parent.
A
recombination
B
asexual reproduction
C
inheritance
D
sexual reproduction
3) threadlike structures made of DNA molecules that contain the genes
A
all of the answer choices
B
chromosomes
C
alleles
D
proteins
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
alleles
B
offspring
C
chromosomes
D
mutations
6) the genetic process by which one chromosome breaks off and attaches to another chromosome during reproductive cell division
A
recombination
B
asexual reproduction
C
meiosis
D
mitosis
7) changes in the genetic material
A
chromosomes
B
environmental factors
C
mutations
D
variations
8) __________ reproduction results in offspring with identical genetic information and __________ reproduction results in offspring with more genetic variation.
A
asexual; asexual
B
sexual; sexual
C
asexual; sexual
D
sexual; asexual
9) Variation among individuals of the same species can be explained by __________.
A
genetic and environmental factors
B
mutations and genetic factors
C
mutations and environmental factors
D
genetic factors and recombination
10) In sexually reproducing organisms, individuals have two of each chromosome and hence two __________ of each gene, one acquired from each parent.
A
alleles
B
mutations
C
offspring
D
DNA
*select an answer for all questions
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