biology 2, test 3

Question 1

CHromosome theory of inheritance

Answer 1

there are specific genes connected to specific chromosomes

Question 2

Thomas hunt Morgan

Answer 2

Columbia university
1907
another father of genetics
fruit flies

Question 3

Hemizygous

Answer 3

only one copy of an allele

Question 4

shrivel

Answer 4

x inactivation

Question 5

Recombination frequency

Answer 5

percent of recombinant offspring from a breeding

Question 6

Gene Map

Answer 6

tells the location of genes on a chromosome in location to each other

Question 7

Non-disjunction

Answer 7

The causes in changes in chromosome number

when the chromosomes dont separate during meiosis

Question 8

Anueplody

Answer 8

wrong number of chromosomes

Question 9

Down Syndrome

Answer 9

trisomy 21

Question 10

Syndrome

Answer 10

many phisical effects

Question 11

Triploid

Answer 11

3 sets of chromosomes

Question 12

Polyploid

Answer 12

more than 2 complete sets of chromosomes
fatal to humans
common in plants

Question 13

Deletion

Answer 13

removes a chromosome segment

Question 14

Duplication

Answer 14

repeats a segment

Question 15

INversion

Answer 15

reverses a segment within one chromosome

Question 16

Transllocation

Answer 16

moves a segment from one chromosome to a non-homologous chromosome

Question 17

Reciprical Translocation

Answer 17

when 2 non-homologous chromosomes exchange positions