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Quiz Flashcards

(26 cards)

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1
Q
  1. In human, the 22 pairs of chromosomes that don’t include the sex chromosomes are called
A

Autosomes

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2
Q
  1. What are the replicated forms of a chromosome joined together by the centromere and eventually separated during mitosis or meiosis II? These can be first seen in propase or mitosis
A

SISTER CHROMATIDS

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3
Q
  1. Condition in which cells contain two sets of chromosome (2N)
A

DIPLOID

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4
Q

From fertilized egg (multicellular organisms)

A

GROWTH

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5
Q

The two steps in cell division are

A

NUCLEAR DIVISION AND CYTOKINESIS

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6
Q

Dissimilar chromosomes that determine an individual’s sex

A

SEX CHROMOSOMES

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7
Q

Meiosis creates genetic

A

VARIATION

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8
Q
  1. What holds together sister chromatids in prometaphase
A

CENTROMERE

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9
Q
  1. Any cell other than a sperm or egg cell.
A

SOMATIC CELL

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10
Q

The total hereditary endowment of a cell of a species.

A

GENOME

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11
Q

Condition in which cells contain 1 set of chromosomes (N)

A

HAPLOID

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12
Q

Human somatic cells contain how many chromosomes?

A

46

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13
Q

Most closely resembles events of mitosis except that the cells are

A

MEIOSIS II,HAPLOID

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14
Q

One of the earliest events that distinguishes meiosis occurs in prophase I and involves

A

PAIRING OF HOMOLOGOUS CHROMOSOMES

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15
Q
  1. A human cell has 46 total or 23 pairs of chromosomes. Following mitosis ,the daughter cells would each have a total of 46 chromosomes. After meiosis I the two daughter cells would have 23 chromosomes, and after meiosis II 23 chromosomes.
A

46,23,23

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16
Q
  1. Organizational unit of hereditary materials(genes) in the nucleus of eukaryotic organisms
17
Q

Sister chromatids are pulled apart to each end of the cell.

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A

NUCLEAR DIVISION

18
Q

Unicellular organisms, division of one cell into 2 reproduces an entire organism.

19
Q
  1. Genomes are organized into multiple function units called.
20
Q

Non- sister chromatids swap corresponding segments(swapping DNA between non sister)

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A

CROSSING OVER

21
Q

Is the process of cytoplasmic division and begins during telophase.

22
Q
  1. A haploid reproductive cell (sperm and egg cells)
23
Q
  1. Cell division function in
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A

REPRODUCTION, GROWTH, TISSUE REPAIR

24
Q

Which of the following true regarding the process of meiosis I?

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A

CHROMOSOMES NUMBER IS REDUCED FROM DIPLOID TO HAPLOID

25
30. Something’s wrong with this picture. What might explain the unusual patterm seen in this cell?
DURING METAPHASE ,ONE OF THE CHROMOSOMES FAILED TO BIND MICROTUBULES FROM BOTH SPINDLE POLES.
26
How many chromosomes are shown in this picture? How many chromatids?
8 CHROMOSOMES,8 CHROMATIDS

CYTOGENETICS (5 decks)

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