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Which best describes the process of independent assortment?


A) The way one pair of homologues lines up along the metaphase plate does not affect how any other pair lines up.
B) Segregation of chromosomes during meiosis I is independent of their segregation during meiosis II.
C) During synapsis, chromosomes pair up at random.
D) Crossing over along one pair of chromosomes is independent of crossing over along the other pairs.

E) A) and B)
F) B) and C)

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In animals, the cells that will eventually undergo meiosis to produce gametes are set aside early in development.These are called


A) somatic cells.
B) germ-line cells.
C) sex cells.
D) gametophytes.

E) B) and C)
F) A) and D)

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In plants and animals, the zygote develops by which of the following processes?


A) mitosis
B) meiosis
C) syngamy
D) synapsis

E) A) and B)
F) All of the above

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The fusion of a male gamete with a female gamete is called


A) syngamy.
B) meiosis.
C) mitosis.
D) recombination.

E) C) and D)
F) B) and C)

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Which of the following events occurs first during meiosis?


A) homologous chromosomes separate and are pulled to opposite poles of the cell
B) sister chromatids separate and are pulled to opposite poles of the cell
C) chromosomes decondense
D) synapsis of homologous chromosomes

E) A) and B)
F) A) and C)

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Diploid organisms use meiosis to produce haploid cells.Meiosis consists of how many rounds of nuclear division?


A) one
B) two
C) three
D) four

E) A) and D)
F) A) and C)

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Evidence of crossing over can often be seen under the light microscope as a structure called a _______.


A) kinetochore
B) centromere
C) chiasma
D) centriole

E) A) and B)
F) A) and C)

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