DNA and the genome

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Naomi

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Chromosomes (in cells) - contain DNA which is genetic material because it determines our inherited features and both chromosomes in a pair contain the SAME genes
Gene - small section of DNA in a chromosome - each gene codes for a sequence of amino acids which make up a protein (eg blood type gene -> codes amino acids for the protein that determines blood type)
Genome - entire genetic material that makes a human
Benefits of studying human genome-
helps to search for GENES LINKED to a DISEASE
helps to understand/treat INHERITED DISORDERS
can trace HUMAN MIGRATION from the past
Structure of DNA
dna is a polymer of molecules made from nucleotides
Nucleotides have 3 molecule parts:
in dna the phosphate group and sugar molecule NEVER change but the base does
complimentary bases - C and G
Complimentary bases - A and T
The 4 bases- A T C G and A and T (C and G) are always complimentary and always pair on the dna strands

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DNA and the genome

Cards (8)

6.1.3 DNA and the Genome

8.3 Population Ecology

8.5 Community Ecology

3.1.1 Structure of DNA

1.1.3 Genre

10.7 Utilizing Past Papers and Mark Schemes

6.3.4 Genetic engineering

6.3.3 Gel electrophoresis

6.3.2 Polymerase Chain Reaction (PCR)

8.5.3 Gene Cloning and Transformation

6.6 Gene Expression and Cell Specialization

1.1.5 Microscopy

1.1.3 Cell Specialization

1.3.2 Osmosis

1.1.4 Cell Differentiation

1.2.3 Stem Cells

1.3.2 Osmosis

1.1.1 Eukaryotic and Prokaryotic Cells

1.1.2 Animal and Plant Cells

1.3.3 Active Transport

1.2.2 Mitosis and the Cell Cycle