Chapter 15 Flashcards

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1
Q

Genetic recombination

A

Genetic recombination (also known as genetic reshuffling) is the exchange of genetic material between different organisms which leads to production of offspring with combinations of traits that differ from those found in either parent.

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2
Q

Parental types

A

Matching offspring

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3
Q

Nondisjunction

A

Members of a pair of homologous chromosomes don’t split during meiosis

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4
Q

Aneuploidy

A

Zygote has an abnormal number of a particular chromosome

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5
Q

Monosomic

A

Monosomy is the state of having a single copy of a chromosome pair instead of the usual two copies found in diploid cells

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6
Q

Trisomic

A

3 chromosomes

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7
Q

Polyploidy

A

Polyploidy, the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes.

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8
Q

Deletion

A

A chromosomal fragment is lost

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9
Q

Duplication

A

When a broken fragment is reattached as an extra segment to a sister or non sister chromatid

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10
Q

Inversion

A

Fragment may reattach to original chromosome but in reverse orientation

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11
Q

Translocation

A

Fragment to join a non homologous chromosome

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