Ch 07 The Cell Cycle and Cell Division Flashcards

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1
Q

type of reproduction that results in clones

A

asexual reproduction

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2
Q

genetically identical

A

clones

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3
Q

alterations in DNA sequences caused by environmental factors or errors in DNA replication

A

mutations

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4
Q

fusion of two gametes

A

sexual reproduction

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5
Q

sex cells, reproductive cells

A

gametes

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6
Q

process of cell division that results in daughter cells with only half the genetic material of the original cell

A

meiosis

cell division resulting in gametes/reproductive cells

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7
Q

molecule of DNA and associated proteins

A

chromosome

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8
Q

body cells (not specialized for reproduction)

A

somatic cells

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9
Q

“pairs” of chromosomes that contain corresponding (but not identical) genetic information

A

homologous chromosomes
(one from each parent)
(each chromosome is a “homolog”

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10
Q

referring to cells that contain only 1 set of chromsomes

A

haploid
(denoted by “n”)
ex: gametes are haploid

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11
Q

referring to cells that contain both homologs, one from each parent

A

diploid
(denoted by “2n”)
ex: a zygote is diploid

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12
Q

result of the fusing of 2 haploid gametes

A

zygote

a fertilized egg

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13
Q

cell division in prokaryotes

A

binary fission

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14
Q

division of cell cytoplasm to form two daughter cells

A

cytokinesis

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15
Q

period from one cell division to the next

A

cell cycle

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16
Q

IPMAT

A
stages of mitosis:
interphase
prophase
metaphase
anaphase
telophase
17
Q

the two identical DNA molecules after DNA replication

A

sister chromatids

18
Q

location where chromatids are held together

A

centromere

19
Q

number and sizes of condensed chromosomes for any given organisms

A

karyotype

20
Q

activators involved in cell cycle regulation

A

cyclin-dependent kinases (Cdk’s)