Variation, Reproduction and new tech
- Created by: olivia_viney
- Created on: 04-02-16 16:35
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- Variation, reproduction + new tech
- Inheritance
- Nucleus contains Chromosomes
- Chromosomes carry genes
- Sex cells are called Gametes
- Genetic info is passed down by reproduction
- Genes control characteristics of your body
- Nucleus contains Chromosomes
- Types of reproduction
- Asexual reproduction- one parent.
- Cloning
- Sexual Reproduction- involves fusion of gametes, 2 parents.
- Asexual reproduction- one parent.
- Cloning
- Genetically identical to parents
- Cheap and effective in plants.
- Useful in farming and agriculture.
- Animals or plants are genetically modified to produce useful substances.
- Advantages:
- Can make the best animals
- Genetic disorders cured
- Medicine produed
- Plants resistant to herbicides or insects
- Disadvantages
- Expensive for farmers
- Effect of eating GM crops on human health
- Ethical?
- Adult cell cloning
- 1- Nucleus removed from egg cell and placed inside empty egg cell.
- 2- New cell is given an electric shock which causes it to divide. Ball of cells is called an embryo
- 3- Embryo genetically identical to adult skins cells. It is then inserted into the womb.
- Inheritance
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