karyotype, Genetic test that looks at the size, shape, and number of chromosomes in a sample of cells from your body, chromosome, Hold threadlike DNA together in nucleus, double helix, Shape of double stranded DNA, dna, deoxyribose nucleic acid, sugar phosphate backbone, outsides of the double strands of DNA, base pairs, matching pairs holding the two strands together in the middle, gene, segment of DNA around 300 base pairs coding for a protein, protein, collagen, keratin, haemoglobin, nuclues, the organ in the cell protecting the DNA, replication, copying of the DNA in order to make a new cell, translation, opening the DNA and reading one gene to make something, allele, version of a gene, intersex, have one extra or one less sex chromosome, male, one x and one y chromosome, female, two x chromosomes, trisomy 21 Downs, three copies of chromosome number 21, dominant, the allele is always seen, recessive, the allele is masked, genotype, the alleles inherited for a trait, phenotype, visible physical characteristic

yr 10 genetics

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