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NCEA GENETICS LEVEL 1 VOCABULARY

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Biology

10th

28 Terms
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the two alleles inherited for a particular gene
sex cell of plant or animal
fertilised egg
describes a genotype where both alleles are different
an organism with a homozygous genotype
sudden and permanent change to the DNA of an organism
building block of DNA made up of a base, a sugar and a phosphate group
term that describes the structure of DNA
cell division to produce gametes or sex cells
an alternative form of a gene
a length of DNA that codes for a particular characteristic
a long thin thread-like structure made from DNA wrapped around protein
the genetic differences between organisms in a population
a wide range of phenotypic variation without distinct categories
a characteristic with only a limited number of possible values
A with T and G with C
any chromosome that is not a sex chromosome
A-T G-C
individuals whose characteristics are best suited to the environment at a given time are more likely to survive and to pass on their genes