types of reproduction

• What is a gamete?

  A sex cell.
• What is the male gamete in animals?

  sperm
• What is the male gamete in plants?

  pollen
• What is the female gamete in animals?

  egg
• What is the female gamete in plants?

  egg
• What is the process of fertilisation?

  The fusion of male and female gametes to restore chromosome number.
• How many pairs of chromosomes are there in human cells?

  23 pairs.
• How many individual chromosomes are in human cells?

  46
• What is a haploid?

  A cell with half of the chromosome set. Such as, gamete.
• What is a diploid?

  A cell with a full chromosome set, for example, zygotes.
• What are the characteristics of sexual reproduction?

  • Produces variation in the offspring - giving survival advantages.
• What are the characteristics of asexual reproduction?

  • Faster
  • Produces many identical offspring
  • Only one parent is needed
• What are the advantages of asexual reproduction?

  • Time and energy efficient so there is no need to find a mate
  • Successful traits are passed down to all offspring
• What are the advantages of sexual reproduction?

  • Natural selection can be manipulated by humans, in selective breeding, to increase food production.