Meiosis Flashcards

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1
Q

Somatic and germ line cells are both

A

Diploid

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2
Q

Gametes are carry one set of chromosomes and therefore called

A

Haploid

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3
Q

Special type of cell division in which a diploid (germ line cell) divides twice to form four Haploid cells (gametes)

A

Meiosis

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4
Q

What are the ways mitosis and meiosis are different

A

DNA replication

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5
Q

After crossing over has occurred the two chromatids of chromosomes are

A

Different

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6
Q

During what phase of meiosis do terrados / bivalents line up in the middle of the cell

A

Metaphase 1

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7
Q

During what phase of meiosis do tetrads split and homologous chromosomes move to opposite ends of the cell

A

Anaphase 1

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8
Q

Why are the four haploid daughter cells produced by meiosis genetically different

A

Crossing over in prophase 1
Independent assortment of chromosomes at meta phase 1
Random fertilization: gametes from two parents

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9
Q

Daughter cells produced by mitosis are

A

Genetically identical and diploid

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10
Q

Consider mitosis and meiosis . Condensation of chromatin into chromosomes occurs during which phase

A

Prophase 1 and prophase of mitosis

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11
Q

Crossing over occurs during which phase in meiosis and mitosis

A

Prophase 1

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