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Level 1 Biology Flashcards (SET TWO)
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- 1DiploidHaving a full set of chromosomes (2n); having a pair of each type of chromosome
- 2CarrierIndividual that carries a gene for a particular recessive trait, does not express the trait, but can pass that trait on
- 3Amino AcidsBasic building blocks of protein
- 4Double HelixTwo strands of nucleotides wound around each other - structure of DNA
- 5FertilisationThe joining of male and female gamete
- 6OffspringProduct of reproduction - a new organism produced by one or more parents
- 7ProteinsMade up of amino acids. There are many types and all have important roles in living systems
- 8Punnett SquareA chart that shows all the possible combinations of alleles that can result from a genetic cross
- 9Semi-conservative replicationIn each new DNA double helix, one strand is from the original molecule, and one strand is new
- 10Sex ChromosomesChromosomes X and Y that determine the sex of an individual
- 11Crossing OverExchange of genetic material between homologous chromosomes
- 12MutationProcess responsible for forming new alleles
- 13VariationImportant to population and species in a changing environment
- 14Changing EnvironmentE.g pest infestation, disease, drought or flood
- 15Independent AssortmentEach homologous pair of chromosomes lines up at the equator - maternal or paternal - independently of other homologous pairs
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- Creado por Eleanor James · 24 sep 2018
- Copiado por Eleanor James · 24 sep 2018
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