bi16 - material. In humans this would be 46 chromosomes (23...

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Genetics and inheritance Aim: 1. To recall the important terms that relate to genetics and inheritance (KS4) 2. Describe the basic structure of DNA
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In your own words, explain the following terms 1. Chromosome 2. Gene 3. Features 4. Gametes 5. Zygote 6. Diploid 7. Allele 8. Homozygous 9. Heterozygous 10. Selective breeding 11. Genetic engineering 12. Meiosis 13. Mitosis 14. Sexual reproduction 15. Asexual reproduction 16. Mutations 17. Dominant 18. Recessive
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The instructions that tell cells what we look like are carried in these. There are 23 pairs of them in a normal human cell.
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These are the units which make up chromosomes. Responsible for inheritance of specific characteristics
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These are things like eye colour, skin colour and hair colour. They are controlled by genes.
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Sperm and egg cells are both this type of cell. Contain half the amount of DNA of normal diploid cells
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When a sperm and egg cell fuse together, they produce this.
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We use this word to describe cells which contain the full complement of genetic
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Unformatted text preview: material. In humans this would be 46 chromosomes (23 pairs) The different versions of genes Alleles of a given gene are identical (can be either dominant or recessive Alleles of a given gene are not identical Where plants and animals with useful or desired traits are bred together to produce offspring with those desired traits The altering of the character of an organism by inserting genes from another organism Division of a cell to produce 2 daughter cells which each has the same number and kind of chromosomes as the mother cell Type of reproduction that involves fusion of gametes Reproduction whereby individuals are produced from a single parent Random change in the genetic material of the cell The allele that is expressed where an individual is heterozygous The allele that is hidden (not expressed) when an individual is heterozygous for a given gene What does it look like?...
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This note was uploaded on 02/07/2011 for the course BSC 2010 taught by Professor Bowes during the Spring '08 term at University of Florida.

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bi16 - material. In humans this would be 46 chromosomes (23...

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