Embryo Development

Question 1

What is the centromere

Answer 1

diveides chromosome into two sections or arms.

Location gives chromosome its characteristic.

Question 2

What is euchromatin

Answer 2

the first level of packaging represented as beads on a string.

Question 3

Which one is the growing end of a microtubule

Answer 3

The plus end

Question 4

All cancer types can be traced back to problems in

Answer 4

harmful mutations multiplied to mitosis

Question 5

What are five factors known to increase the risk of cancer

Answer 5

Age
Habits 
Family history
Health conditions; Chronic health conditions
Environment

Question 6

What is T1

Answer 6

Tumor is 2 cm across or smaller

Question 7

What is T2

Answer 7

> 2 but

Question 8

What is T3

Answer 8

tumor is larger than 4 cm across

Question 9

What is T4a

Answer 9

Tumor is growing into nearby structures.

Question 10

What is T4b

Answer 10

The tumor has grown through nearby structures and into deeper areas

Question 11

What are the immature gametes called

Answer 11

Spermatogonia (diploid 2N)

Oogonia (diploid 2N)

Question 12

What are mature gametes called

Answer 12

Spermatozoa (haploid)
Definitive oocyte (haploid)

Question 13

What is aneuploidy

Answer 13

When a cell contains the incorrect number of chromosomes

Question 14

What is ploidy

Answer 14

Refers to the number of copies of each chromosome present in a nucleus

Question 15

What is the N number

Answer 15

Refers to the number of copies of each unique double stranded molecule in the nucleus

Question 16

What is diploid

Answer 16

Having two copies of each kind of chromosome