Chromosomes Flashcards Preview

X Bio 1610 Exam 3 > Chromosomes > Flashcards

Flashcards in Chromosomes Deck (14):
1

Aneuploidy

One extra or one less chromosome in a set

2

Polyploidy

Additional copies of each chromosome in a set

3

Unbalanced gene/chromosome number

Imbalances gene expression

4

Polyploidy is very common in

Plants/agriculture

8n vs 2n

5

Deletion

Removes a chromosome segment

ABCDE

AB_DE

6

Duplication

Repeats a chromosome segment

ABCDE

ABCBCDE

7

Inversion

Reverses a chromosome segment

ABCDE

ADCBE

8

Translocation

Moves a segment from 1 chromosome to another homologous chromosome

9

Deoxinucliotide

Monomer

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

10

DNA strands are

Elongated in the 5-3 direction

11

A

T

12

T

A

13

C

G

14

G

C