Chromosomes Flashcards by Nikole Arns | Brainscape

Q

Aneuploidy

A

One extra or one less chromosome in a set

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Q

Polyploidy

A

Additional copies of each chromosome in a set

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Q

Unbalanced gene/chromosome number

A

Imbalances gene expression

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Q

Polyploidy is very common in

A

Plants/agriculture

8n vs 2n

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Q

Deletion

A

Removes a chromosome segment

ABCDE

AB_DE

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Q

Duplication

A

Repeats a chromosome segment

ABCDE

ABCBCDE

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Q

Inversion

A

Reverses a chromosome segment

ABCDE

ADCBE

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Q

Translocation

A

Moves a segment from 1 chromosome to another homologous chromosome

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Q

Deoxinucliotide

A

Monomer

Sugar-phosphate backbone and a base (A,T,C,G)

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Q

DNA strands are

A

Elongated in the 5-3 direction

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Q

A

A

T

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Q

T

A

A

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Q

C

A

G

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Q

G

A

C

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