IGCSE 0654 B10 Reproduction all

Which of these are characteristics of Asexual reproduction?

• Produces offspring of a different species

• Needs male and female gametes

• Produces offspring genetically identical to the parent

• Needs two parents

• Only needs one parent

The diagrams show examples of reproduction, which show Asexual reproduction?

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Sperm and egg cells have a nucleus which is haploid.

State the number of chromosomes in a human haploid nucleus.

Organisms pass on their genetic information in their gametes.

State the name of the cell formed when the nuclei of two gametes join together

What is an advantage of sexual reproduction for a population of flowering plants in the wild?

• A disease is less likely to affect the whole population

• Large numbers of offspring can be produced quickly

• Pollen can easily be transferred within the same flower

• The offspring show genetic variety

Which statement about sexual reproduction is correct?

• Gametes are produced by mitosis only

• Gametes fuse together to form a zygote

• Genetically identical nuclei are formed

• It occurs in animals, but not in plants