Chapter 8 -3 Flashcards Preview

Biology 101 > Chapter 8 -3 > Flashcards

Flashcards in Chapter 8 -3 Deck (8)
Loading flashcards...
1

What do germ cells have?

the enzyme Telomerase which adds extra nucleotides

2

What produces telomerase?

many cancer cells

3

What corrects base-pairing errors?

DNA polymerases

4

Mutations can cause?

cancer in new somatic cells
or genetic disorders in offspring if occurs in gametes

5

What do DNA repair mechanisms do?

fix DNA damaged by mutagens

6

How do we clone?

through somatic cell nuclear transfer

7

What health problems do clones have?

die young
arthritis
no anus

8

What have we found out from cloning?

must reprogram cell and DNA to function as embryonic