B2.1 CELL DIVISION Flashcards
What do chromosomes carry?
Chromosomes carry genetic information in a molecule.
Name the genetic material chromosomes carry
DNA
What is mitosis?
Mitosis is a type of cell division
When an egg cell is fertilised by sperm what is formed?
When an egg cell is fertilised by sperm it forms a zygote.
What is the nucleus?
The nucleus is an organelle (found in many living cells) containing the genetic information
What are genes?
Genes are a section of DNA that controls a characteristic, or part of a characteristic of your body.
How many pairs of chromosomes does the human body have?
The human body has 23 pairs of chromosomes.
How many chromosomes do humans have?
Each human body cell contains 46 chromosomes.
What are chromosomes?
Chromosomes are tiny structures inside cells made from DNA and protein.
What are chromosomes made from?
Chromosomes are made from DNA and protein
What is mitosis?
Mitosis is a process of cell duplication, where one cell divides into two genetically identical daughter cells.
What happens during mitosis?
During mitosis one cell divides into two genetically identical daughter cells.
Why are chromosomes found in pairs in body cells?
Chromosomes found in pairs as one from the mother and one is inherited from the father.
Why is mitosis an important process in living things and how characteristics are inherited?
Mitosis is important as It is responsible for the growth and development of an individual.
