Biology B1.6 0.0 / 5 ? BiologyVariation and reproductionGCSEAQA Created by: emily13566Created on: 18-12-16 16:27 What is a gamete? Parent's genetic information they pass on in sex cells 1 of 11 What are chromosomes made of and how many do humans have? DNA and 46 2 of 11 Why is variety so important? As it makes sure a species survives 3 of 11 What is a clone? It's produced a-sexually and it's gentically identical to the parent 4 of 11 Describe the process of cloning cattle embryos... 1. Divide the embryo into cells 2. Each cell grows into an embryo 3. Transfer embryos into Mother 4. Identical calves are born 5 of 11 What steps are required to perform adult cell cloning? 1. Nucleus from cells removed 2. different nucleus inserted 3. cells given a little electic shock-forms embryo cells 4. inserted into womb of female 6 of 11 What is genetic engineering? The changing genetic material of an organism 7 of 11 What new ideas did Lamarck propose? Individual animals adapted and evolved to suit their environment 8 of 11 Explain natural selection... Organisms become better adapted to their envrionment to survive and produce more offspring 9 of 11 What is a mutation and how do they occur? It's the change in DNA which results in a new form of gene. They occur by copying the DNA when cells divide 10 of 11 What is classification? Organisation of living things into groups according to their similarities 11 of 11
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