Nature of gene and genome

Question 1

First to use drosophila (fruit flies) for genetic research

Answer 1

Thomas hunt morgan

Question 2

Linkage into nucleic acid polymers

5 ___ and 3 __ group

Answer 2

Phosphate
Sugar hydroxyl group

Question 3

__ rule of DNA base composition whein A= T and G=C

Answer 3

Chargaff`

Question 4

__ is the exterior of DNA molecule, and the __ and interior

Answer 4

sugar phosphate backbone
Bases

Question 5

3 primary function of DNA

Answer 5

Storage of genetic infor
Replication and inheritance capability
Expression of genetic message

Question 6

changes the level of DNA supercoiling

Answer 6

Topoisomerases

Type 1- transient break in one strand
Type 2- transient break in both strand

Question 7

Highly repeated DNA sequences

Answer 7

Satellite DNA- short sequences, evolve rapid

Minisatellite DNA- unstable

Microsatellite DNA-shortest sequences, implicate disorders

Question 8

How are noncoding elements scattered in the genome?

Answer 8

grouped into SINEs and LINEs (short-long interspersed elements)

Question 9

resembles globin genes but are nonfunctional

Answer 9

pseudogenes

Question 10

she suggested genetic elements are capable of moving

Answer 10

Barbara Mcclintock

Question 11

Other term of jumping genes, and its mobile genetic element

Answer 11

Transposition, transposable elements

Question 12

use RNA intermediate which produces complimentary DNA via diverse transcriptase

Answer 12

Retrotransposons