Inheritance and Variation (Junior Cert Science): Flashcards

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Inheritance and Variation
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Parents needed for sexual reproduction

Two parents

Asexual reproduction offspring identity

Genetically identical to parent

DNA structure shape

Double helix

Human chromosome number per cell

4646 (2323 pairs)

What genes control

Production of particular proteins

Genotype

Genes an organism possesses

Dominant gene function

Prevents another gene from being expressed

Recessive gene function

Prevented from being expressed by dominant gene

Gregor Mendel's title

Father of genetics

Mutation

Change in genetic code of DNA

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