MEIOSIS KEY WORDS!!! 0.0 / 5 ? ScienceGenetic variationGCSEEdexcel Created by: Impossible1Created on: 10-10-21 22:35 Gametes: It is the Egg cell and sperm cell. 1 of 12 Fertilisation: Is when a sperm cell fuses with an egg cell and nuclei combined. 2 of 12 Zygote: A single cell that is formed by fertilisation. 3 of 12 Gene: It is a length of DNA coding for a protein and it controls your characteristics. 4 of 12 Genome: Is all the DNA and genes in an organism. 5 of 12 Protein: A polymer made from amino acids. 6 of 12 Polymer: A long molecule made by chaining together many shorter molecules. 7 of 12 Diploid: A cell with 23 pairs of chromosomes (46 in total). 8 of 12 Haploid: A cell with 23 single chromosomes. 9 of 12 Meiosis: A Cell division that makes gametes. 10 of 12 Meiosis stages: 1) DNA replicates. 2) Cell divides into 2 diploid cells. 3) These cells divide into 4 haploid daughters. 11 of 12 Why are gametes different? The reason is because chromosomes in a pair are slightly different. Different gametes get different combinations of chromosomes. 12 of 12
AQA Additional Science: Biology (B2): Cell Division (Mitosis and Meiosis) 5.0 / 5 based on 1 rating Teacher recommended
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