GENETICS NCEA LEVEL 1

Pregunta	Respuesta
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

Resumen del Recurso

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