4.6.1.1 Sexual and asexual reproduction

Question 1

What is the difference between meiosis and mitosis?

Answer 1

• Meiosis leads to non identical cells being formed
• Mitosis leads to identical cells being formed

Question 2

What is sexual reproduction?

Answer 2

• The fusion of male and female gametes] fertilisation

Question 3

What are the gametes in animals?

Answer 3

• Sperm and egg

Question 4

What are the gametes in flowering plants?

Answer 4

• Pollen and egg

Question 5

What does a gamete have?

Answer 5

• Only have half (23 chromosomes) of the genetic material of a normal cell (46 chromosomes)

Question 6

What happens during sexual reproduction?

Answer 6

• There is a mixing of genetic information which leads to a variety of the offspring
• The formation of gametes involves meiosis

Question 7

What happens during asexual reproduction?

Answer 7

• Only one parent
• No fusion of gametes
• No mixing of genetic information
• Leads to genetically identical clones offspring
• Only mitosis is involved (eukaryotic organisms) prokaryotic (binary fission)