Ch. 6 Variation in Chromosome # & Structure

Question 1

Chromosome mutations and aberrations are spit into what two categories?

Answer 1

Chromosome #
&
Chromosome arrangement

Question 2

Chromosome # is split into what two categories?

Answer 2

Euploidy
&
Aneuploidy

Question 3

Define Euploidy

Answer 3

Having a chromosome # the exact multiple of the haploid #

Question 4

Define Anueploidy

Answer 4

Having a chromosome # that is not the exact multiple of the usual haploid # d/t the + or - of a part or whole chromosome.

Question 5

The pattern of banding is numbered beginning at the _______________ and working _______________ the _______________?

Answer 5

Centromeres

toward

telomeres

Question 6

Define polyploidy

Answer 6

3n, 4n, 5n, ….

Question 7

Define Triploidy

Answer 7

3n

Question 8

Define Tetraploidy & Pentaploidy

Answer 8

4n & 5n

Question 9

Define Autoploidy

Answer 9

multiples of the same genome

Question 10

Define Allopolyploidy (amphidiploidy)

Answer 10

Multiples of closely related genomes

Question 11

What is one cause of aneuploidy and during phase(s) of the cell cycle ?

Answer 11

Non-dis-junction
during Meiosis I or II

Question 12

Define Monosomy

Answer 12

Loss of one chromosome

Question 13

Define Haploinsufficiency

Answer 13

When one copy is not sufficient for the organism to survive

Question 14

Define Trisomy

Answer 14

Addition of chromosome produces more viable organisms than a deletion

Question 15

Chromosomal Inversions _____________ the linear _____________
_____________

Answer 15

Rearrange
Gene
Sequence

Question 16

_______________ alter the location of Chromosomal _______________ in the _______________

Answer 16

Translocations
Segments
Genome

Question 17

__________________ may be reciprocal or Non-reciprocal

Answer 17

Translocations