Chapter 2 - Cell Division

Question 1

Mitosis

Answer 1

Cells double their chromosomes to create a genetically perfect copy and then they split to create two identical daughter cells

Question 2

What is an embryonic stem cell?

Answer 2

A sperm and an egg meet to create a zygote. The zygote undergoes mitosis to create a ball of inner cells called the embryonic stem cells that differentiates to form all specialised cells in your body.

Question 3

What is an adult stem cell?

Answer 3

An undifferentiated cell which can change and become different types of cells.

Question 4

Problems with embryonic stem cells ?

Answer 4

Many embryonic stem cells have to come from embryos. Some argue that the embryo can not make a decision so it is against human rights and it is killing a human

Question 5

Problems with adult stem cells ?

Answer 5

Adult stem cells could be infected with viruses and so infections can transfer between patients