Level 2Biology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | One of the alternative forms of a gene.
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| show | Any of a group of water-soluble organic compounds that possess both a carboxyl(-COOH) and an amine (-NH2) group attached to the same carbon atom.
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| Anticodon | show 🗑
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| Centromere | show 🗑
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| Chromatid | show 🗑
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| Chromosome | show 🗑
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| show | artificial production of genetically identical individuals
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| Co-dominance | show 🗑
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| show | A triplet of nucleotides within a molecule of messenger RNA that specifies a particular amino acid during the synthesis of proteins in a cell.
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| show | Describing a cell or organism with twice the haploid number of chromosomes.
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| DNA | show 🗑
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| Dominant allele | show 🗑
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| Double Helix | show 🗑
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| Eukaryotic cells | show 🗑
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| F1 generation | show 🗑
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| F2 generation | show 🗑
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| Fertilization | show 🗑
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| show | A reproductive cell that fuses with another to form a zygote - eg. eggs (ova) and sperm (spermatozoa).
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| Gene | show 🗑
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| show | The genetic information in DNA which controls the manufacture of specific proteins by the cell. It takes the form of a series of triplets of bases in DNA.
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| show | All the genes contained in a single (haploid) set of chromosomes.
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| show | The genetic composition of an organism, i.e. the combination of alleles it possesses.
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| show | Describing a cell or organism with a single set of unpaired chromosomes.
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| show | Describes an organism that has two different alleles controlling a particular feature.
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| show | Water-soluble proteins found in association with the DNA of eukaryotic chromosomes. They serve as a scaffold around which the DNA coils.
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| Homologous Chromosomes | show 🗑
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| show | Describes an organism that has two of the same alleles for a trait.
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| show | The condition where neither allele controlling a characteristic is dominant and the resulting phenotype is partially influenced by both alleles.
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| Independent assortment | show 🗑
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| show | The transfer of genetic traits from one generation to the next.
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| show | A mutant form of a gene that eventually results in the death of an organism if expressed in the phenotype. Most of these genes are recessive, eg. Sickle-cell anaemia.
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| Meiosis | show 🗑
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| show | A type of cell division that results in two daughter cells, each having a nucleus containing the same number and kind of chromosomes as the mother cell.
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| Monohybrid | show 🗑
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| mRNA | show 🗑
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| Nucleotide | show 🗑
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| Phenotype | show 🗑
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| Protein synthesis | show 🗑
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| show | The chemical family to which the organic nitrogenous bases adenine and guanine belong.
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| show | The chemical family to which the organic nitrogenous bases uracil, thymine and cytosine belong.
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| show | An allele whose effects are masked by those of a dominant allele. It is denoted by a lower case letter.
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| rRNA | show 🗑
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| DNA-Replication | show 🗑
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| Somatic cells | show 🗑
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| Trait | show 🗑
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| Transcription | show 🗑
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| show | The process in living cells in which a sequence of mRNA triplets (codons) is used to build a polypeptide chain during protein synthesis.
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| show | A sequence of three nucleotides coding for a specific amino acid during protein synthesis.
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