Types of reproduction lesson created in accordance to the NEW AQA Specification (9-1). Designed for a separates class, although content can be adjusted to suit any ability. Includes: slide animations, embedded videos and practice questions with answers on slides as well as a quiz.
AQA spec link: 6.1.1
Relevant chapter: B13 Genetics and reproduction. AQA Biology third edition textbook-Page 196-197.
Specification requires students to know the following;
Students should understand that meiosis leads to non-identical cells being formed while mitosis leads to identical cells being formed. Sexual reproduction involves the joining (fusion) of male and female gametes:
• sperm and egg cells in animals
• pollen and egg cells in flowering plants.
In sexual reproduction there is mixing of genetic information which leads to variety in the offspring. The formation of gametes involves meiosis. Asexual reproduction involves only one parent and no fusion of gametes. There is no mixing of genetic information. This leads to genetically identical offspring (clones). Only mitosis is involved.
Biology only-6.1.3 Advantages of sexual reproduction:
• produces variation in the offspring
• if the environment changes variation gives a survival advantage by natural selection
• natural selection can be speeded up by humans in selective breeding to increase food production.
Advantages of asexual reproduction:
• only one parent needed
• more time and energy efficient as do not need to find a mate
• faster than sexual reproduction
• many identical offspring can be produced when conditions are favourable
Good luck with your lesson!