How many parents are needed for asexual reproduction?
Two parents
One parent
Two parents and two grandparents
Give one advantage of asexual reproduction over sexual reproduction
Population increases rapidly
Two parents are needed
Increases variation in a population
What is fertilisation?
When the nuclei of egg and sperm fuse
When an egg is released from the ovary
When a new body cell is created
What are examples of gametes in animals?
Pollen and eggs
Sperm and pollen
Sperm and eggs
What is a mutation?
A change in a protein
A change in a gene or chromosome
A harmful change that causes the genome to stop working
How many daughter cells does meiosis create?
Four
Two
One
How many chromosomes are present in human gametes?
46 chromosomes
48 chromosomes
23 chromosomes
Which four bases are DNA made up of?
A, C, T and W
A, C, U and G
A, C, T and G
On which organelle does protein synthesis occur? - Higher
Ribosome
Nucleus
Mitochondria
What are examples of different types of mutations? - Higher
Insertion, deletion and replication
Insertion, deletion and substitution
Mutagen, deletion and substitution