Topic 5

Question 0

Mutations ?

Answer 0

A change in dan caused by mutagens which are physical or chemical agents ex. Pollution and x-Rays

Question 1

Explain DNA ?

Answer 1

It is the genetic information inherited from your parents to determine your traits and characteristics, it is found in the nucleus of the cell

Question 2

Explain chromosomes ?

Answer 2

Strands of DNA packed together found in the nucleus, there are 23 pairs of chromosomes in a regular body and in sex cells there are 23 singles

Question 3

Explain mitosis

Answer 3

Mitosis Is the process of cell division in the human body cells where cell division occurs once , therefore there is 23 pairs of chromosomes

Question 4

Explain meiosis ?

Answer 4

The process of cell division in gametes (sex cells) where cell division occurs TWICE (once more then mitosis) concluding with 23 single chromosomes

Question 5

Wha is a gene?

Answer 5

A gene is what you inherit from your parents ex. Blue eyes ect

Question 6

Life cycle of an offspring ?

Answer 6

Gametes - female & make sex cells come together

Zygote- fertilized egg form the male gamete

Embryo- the offspring once it has its official 23 pairs of chromosomes beginning to grow

Question 7

What is genetic engineering ?

Answer 7

When people transfer human DNA to an animal so they can produce human organisms like insulin