Environmental, this refers to variation caused by the world around an organism., Genetic, this refers to variation caused by the genes an organism has., Variation, this word means the difference between individuals of the same species., Selective, This is a type of breeding where you deliberately choose individuals with particular characteristics., Natural, This type of selection is the driving force behind evolution., Evolution, This describes how new species are formed by gradual changes over many generations., Inheritance, this describes the genes you get from your mum and dad., Continuous, this is a type of variation that can be measured numerically, Discontinuous, this is a type of variation that can be put into categories., DNA, This is the chemical in our bodies that stores your genetic code., Genes, these are lengths of DNA that code for a particular characterisitc., Nucleus, This is the part of a cell that stores the DNA., Egg, This is the name for the female sex cell., Sperm, This is the name of the male sex cell., Gamete, This is the scientific name for sex cells., Fertilisation, This describes when a sperm and egg cell fuse together., Characteristics, these describe the traits an organism posesses., Identical, these types of twins have matching DNA., Darwin, this is the name of the scientist that proposed the idea of evolution., Modified, organisms that have had there DNA deliberatly changed are desribed as being genetically m_______?, Extinction, this describes the complete loss of a species from an area., Biodiversity, this describes the whole range of living things that can be found in an area., Species, this describes individuals that can breed together to produce fertile offspring., Independent, this type of variable is the one we deliberately change in experiments., Dependent, This is the variable we measure in an experiment., Control, This variable is kept the same during an experiment to ensure your results are reliable., Chromosomes, these describe long coils of DNA that contain many genes,, there are 23 pairs of these in humans., Offspring, The scientific name for an organisms children. .

Genetics

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