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CYTOGENETICS > Quiz > Flashcards

Quiz Flashcards

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
A

CHROMOSOMES

17
Q

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

A

NUCLEAR DIVISION

18
Q

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

A

REPRODUCTION

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

CHROMOSOMES

20
Q

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

A

CROSSING OVER

21
Q

Is the process of cytoplasmic division and begins during telophase.

A

CYTOKINESIS

22
Q
  1. A haploid reproductive cell (sperm and egg cells)
A

GAMETES

23
Q
  1. Cell division function in
A

REPRODUCTION, GROWTH, TISSUE REPAIR

24
Q

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

A

CHROMOSOMES NUMBER IS REDUCED FROM DIPLOID TO HAPLOID

25
Q
  1. Something’s wrong with this picture. What might explain the unusual patterm seen in this cell?
A

DURING METAPHASE ,ONE OF THE CHROMOSOMES FAILED TO BIND MICROTUBULES FROM BOTH SPINDLE POLES.

26
Q

How many chromosomes are shown in this picture? How many chromatids?

A

8 CHROMOSOMES,8 CHROMATIDS

CYTOGENETICS (5 decks)

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