Topic 3.1: Genes Flashcards Preview

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Flashcards in Topic 3.1: Genes Deck (6):

Define gene

A gene is a sequence of DNA that encodes for a specific trait (traits may also be influenced by multiple genes)


Define locus

The position of a gene on a particular chromosome is called the locus (plural = loci)


Define allele

Alleles are alternative forms of a gene that code for the different variations of a specific trait


Define gene mutation

A gene mutation is a change in the nucleotide sequence of a section of DNA coding for a specific trait


Define genome

The genome is the totality of genetic information of a cell, organism or organelle


What was the Human Genome Project (HGP)?

The Human Genome Project (HGP) was an international cooperative venture established to sequence the human genome

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