AnswersPMHS Biology I Q2Cell Differentiation and Specialization

Cell Differentiation and Specialization — Unit test Answers

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Which are replicated during interphase?

A
sister chromatids
B
chromosomes
C
centromeres
D
nuclei
22
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Which statement accurately describes the relationship between cytokinesis and mitosis?

A
Mitosis includes interphase and cytokinesis.
B
Cytokinesis precedes mitosis in the cell cycle.
C
Cytokinesis is not a phase of mitosis, but occurs during mitosis.
D
Interphase includes cytokinesis and mitosis.
23

Which three processes are methods of genetic recombination?

A
natural selection, crossing over, and independent assortment
B
crossing over, independent assortment, and fertilization
C
independent assortment, fertilization, and natural selection
D
fertilization, natural selection, and crossing over
24

The diagram illustrates one method of genetic recombination.Which method of genetic recombination is illustrated in the diagram?

Question illustration
A
crossing over
B
independent assortment
C
fertilization
D
tetrad formation
25

Which is a source of adult stem cells?

A
bone marrow
B
amniotic fluid
C
embryos
D
gametes

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Cell Differentiation and Specialization — Unit…