GENETICS NCEA LEVEL 1

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Flashcards on GENETICS NCEA LEVEL 1, created by byuleeseo on 09/08/2014.

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Question Answer
Gene Section of DNA that carries genetic code for a particular characteristic or cell activity
Allele AN alternative forms of a gene
Variation Differences between organisms within a population
Mitiosis Type of cell division that occurs whenever more cells are needed (growth and repair). Produces two new cells that are genetically identical to each other and to the parent cell.
Meiosis Type of cell division that occurs in the testes (males) and ovaries (females). Produce for new cells (gametes) that are different to each other and to the parent cell. Contain half the number of chromosomes that are in the parent cell.
Asexual Reproduction Reproduction involving only one parent (usually female). Offsprings are genetically identical to each other and to the parent.
Sexual Reproduction Reproduction involving only two parents. Offspring are different to the parent and to each other.
Trait Genetically determined characteristics
Mutation Change in the base sequence of the DNA
Genotype Particular alleles of an organsim
Phenotype Observable characteristics of an individual resulting from its genotype
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