Cell division

Question 1

Define cell division

Answer 1

When new cells are produced parent cells divide to create new cells

Question 2

What are chromosomes ?

Answer 2

Structures found in the nucleus in every cell

each chromosome contains a strand of DNA

Question 3

How many chromosomes does a human have ?

Answer 3

46 in total

Question 4

Name the two types of cell division

Answer 4

Mitosis and Meiosis

Question 5

How is the genetic information carried through the man

Answer 5

Sperm cell

Question 6

How is the genetic information carried for the female ?

Answer 6

Egg cell

Question 7

Define mitosis

Answer 7

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus

Question 8

Define meiosis

Answer 8

Gametes are formed from cells in the reproductive organs

Question 9

Define DNA

Answer 9

They carry the genetic code that determines the characteristics of a living thing.

Question 10

Define

Answer 10

A gene is a short section of DNA. Each gene codes for a specific protein by specifying the order in which amino acids must be joined together.

Question 11

Define gametes

Answer 11

Gametes are sex cells. The male gametes are the sperm, and the female gametes are the eggs.

Gametes contain one set of genetic information, while body cells contain two sets of genetic information

Question 12

Define fertilisation

Answer 12

Fertilisation is the joining or fusion of a male gamete and a female gamete. The new cell that is formed divides over and over again by mitosis