Reproduction (AQA GCSE Biology): Flashcards

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DNA and the genome
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What does DNA stand for?

Deoxyribonucleic acid

What is a genome?

All of an organism's genetic material

Where is DNA found in cells?

Nucleus

What are chromosomes?

Structures where DNA is tightly packed

What are cells with a nucleus called?

Eukaryotic cells

What shape is DNA?

Double helix

Building blocks of DNA

Nucleotides

Three parts of a nucleotide

Phosphate group, sugar, base

Four DNA bases

A (Adenine), T (Thymine), G (Guanine), C (Cytosine)

How many bases code for one amino acid?

Three

What do amino acids join to form?

Proteins

What is a gene?

Small section of DNA on a chromosome that codes for a protein

What do genes code for?

Specific proteins

Mitochondrial DNA is inherited from

Mother only

Human genome project helps scientists

Find disease genes, understand inherited conditions, develop treatments

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