Year 10 Science - DNA & Genetics Revision
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8 Terms
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Function of DNA
Stores genetic information used to make proteins.
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Genes
Units of information in our cells, made up of DNA strands.
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Chromosomes
Thread-like structures in cells, containing genes.
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Allele
A different version of the same gene. It decides how a trait will look.
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Gametes
Special cells in our bodies that have half the usual number of chromosomes.
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Function of Gametes
Carry genetic information from one generation to the next.
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What is the role of genes in protein production?
Each set of three bases codes for a specific amino acid, the building blocks of proteins.
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What is sex determination in humans?
Males have XY chromosomes, females have XX. The sperm determines the sex of the offspring.
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