15.3

Question 1

Polyploidy

Answer 1

Condition in which an organism has more than two complete sets of chromosomes

Question 2

Triploidy

Answer 2

(3n) 3 sets of chromosomes

Question 3

Tetraploidy

Answer 3

(4n) 4 sets of chromosomes

Question 4

Polyploids are more ___ in appearance than aneuploidss

Answer 4

Normal

Question 5

4 alterations of chromosome structure

Answer 5

Deletion, duplication, inversion, translocation

Question 6

What is inversion?

Answer 6

Reverses orientation of a segment with a chromosome

Question 7

What is translocation?

Answer 7

Moves a segment from one chromosome to another

Question 8

Syndrome

Answer 8

Characteristic type of aneuploidy

Question 9

Nondisjunction of sex chromosomes produces a variety of ___ conditions

Answer 9

Aneuploid

Question 10

Klinefelter syndrome

Answer 10

The result of an extra chromosome in a male, producing XXY individuals

Question 11

Turner syndrome

Answer 11

Produces XO females who are sterile and only known viable monosomy in humasn

Question 12

Genomic imprinting

Answer 12

Variation in phenotype

Question 13

Silencing

Answer 13

Involved in genomic imprinting

Question 14

Some ____ ____ are exceptions to standard Mendelian inheritance

Answer 14

Inheritance patterns

Question 15

Cysteine methylation

Answer 15

Imprinting is the result of addition of CH3

Question 16

Embryonic development

Answer 16

Critical for imprinted genes

Question 17

Extranuclear genes

Answer 17

Cytoplasmic genes inherited maternally

Question 18

Small circular DNA

Answer 18

Mitochondria, chloroplasts, and other plant plastids