genetic variation
- Created by: charlotte harman
- Created on: 26-05-13 16:37
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- GENETIC VARIATION
- sexual reproduction
- two adults
- male and female gamete
- 46 chromosomes together
- fuse
- each egg becomes an embryo
- male and female gamete
- slow
- variation
- two adults
- asexual reproduction
- one adult
- embryo transplant
- egg and sperm are fused in a dish
- the embryo that develops is split up
- the embryos are inserted into the mother
- = identical offspring
- the embryos are inserted into the mother
- the embryo that develops is split up
- egg and sperm are fused in a dish
- adult cell cloning
- the nucleus is taken out of the egg
- nucleus is taken out of a adult cell
- reduces variation
- quick
- gentically modifying
- a useful gene is cut out of a organisms chromosome
- using enzymes
- and is inserted into another organisms chromosome
- this is used to transfer useful genes in crops or animals
- animals have been modified to produces substance such as drugs in cows milk that can be used to treat human disease
- crops have been made resistant to viruses, insects, and herbisides
- a useful gene is cut out of a organisms chromosome
- sexual reproduction
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