intro to cytogen Flashcards

1
Q

is a sub-branch of genetics including the study of inheritance through chromosomal analysis utilizing techniques such as karyotyping, chromosomal staining and chromosomal banding, and fish or DNA microarray techniques.

A

cytogenetics

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2
Q

is the process of pairing and ordering all the chromosomes of an organism, thus providing a genome-wide snapshot of an individual’s chromosomes.

A

karyotyping

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3
Q

is a molecular cytogenetic technique that uses fluorescent probes that bind to only those parts of a nucleic acid sequence with a

A

FISH (Fluorescence in situ hybridization)

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4
Q

DNA molecule is packaged into thread-like structures

A

chromosomes

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5
Q

Each chromosome is made up of DNA tightly coiled many times around proteins called

A

histones

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6
Q

Each chromosome has a constriction point called

A

centomere

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7
Q

short arm of the chromosome

A

p arm

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8
Q

The long arm of the chromosome

A

q arm

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9
Q

These highly organized structures store genetic information in living organisms. Small sections of the chromosome

A

genes

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10
Q

observed that proper embryonic development of sea urchins does not occur unless chromosomes are prese

A

Theodor Boveri

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11
Q

observed the separation of chromosomes into daughter cells during meiosis.

A

Walter Sutton

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12
Q

Gregor Mendel, began studying heredity

A

1843

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13
Q

One such powerful cytological technique

A

karyotyping

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14
Q

To observe an individual’s karyotype, a person’s cells (like ____) are first collected from

A

WBC; a blood sample or other tissue.

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15
Q

provided experimental evidence to support the chromosomal theory of inheritance. he chose __ because they can be cultured easily.

A

Thomas Hunt Morgan; fruit flies

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