exam 3.3

Question 1

evolutionary development in biology

Answer 1

a field of biology that compares the developmental processes of different organisms to determine the ancestral relationship between them

Question 2

cancer

Answer 2

a set of diseases that result from the accumulation of mutations in many different genes

Question 3

two classes of mutated genes that are necessary for cancer

Answer 3

oncogenes and tumor suppressor genes

Question 4

proto-oncogenes

Answer 4

promote normal cell growth

Question 5

tumor suppressor genes

Answer 5

normal tumor suppressor genes code for proteins that inhibit cell growth

Question 6

free

Answer 6

.

Question 7

define genome

Answer 7

1 genome = all genes

Question 8

define genomics

Answer 8

how genes physically affect someone

Question 9

bioinformatics

Answer 9

genomics and tech

Question 10

is there much correlation between size and complexity in genomes

Answer 10

no

Question 11

transposable elements

Answer 11

molecular parasites

Question 12

describe molecular parasites

Answer 12

DNA sequences that can copy themselves and insert elsewhere in the genome

Question 13

how much of the human genome is made of transposable elements?

Answer 13

2-Jan

Question 14

how to do transposable elements play a major role in evolution?

Answer 14

by changing gene structure and elements

Question 15

define gene families

Answer 15

two ore ore related genes that desceded from a common ancestoral gene

Question 16

what percentage of genes are part of the gene family

Answer 16

50

Question 17

define a pseudo gene

Answer 17

a dead gene due to mutation

Question 18

are pseudo genes common? do they have a function?

Answer 18

yes, no