1) Physical characteristics. a) Traits b) Allele c) Phenotype d) Somatic 2) Variety of trait expression within a population. a) Somatic b) Variation c) Haploid d) Pedigree 3) Thread-like structure that carries genetic information. a) Pedigree b) Chromosome c) Base Pairs d) Amino-acids 4) Data that falls between two numerical values / a specific range. a) Evolution b) Meiosis c) Continuous d) Amino-acids 5) Discrete categories or values of data. a) Amino-acids b) Discontinuous c) Variation d) Percentage / Ratio 6) Similar in features or structure due to shared ancestry. a) Homologous b) Somatic c) Nucleotides d) Genotype 7) Expression of traits impacted by our surroundings. a) Environmental b) Homologous c) Discontinuous d) Pedigree 8) Trait expression determined by our DNA. E.g. Blood type. a) Heterozygous b) Environmental c) Homozygous d) Inherited 9) An individual's complete set of chromosomes / lab produced image. a) Recessive b) Meiosis c) Karyotype d) Punnett Square 10) Deoxyribonucleic acid; a molecule carrying information for development and functioning. a) DNA b) Nucleotides c) Homozygous d) Inherited 11) Building block of DNA; Sugar, phosphate group, nitrogenous base (A, T, C, G) a) Mitosis b) Nucleotides c) Homozygous d) DNA 12) Molecules that combine to form different proteins for specific functions. a) Amino-acids b) Carrier c) Punnett Square d) Inherited 13) A twisted ladder / two linked strands of sugar + phosphate group. a) Gene b) Somatic c) Double Helix d) Gametes 14) Two complementary necleotide bases that pair together. Apple in Tree, Car in Garage. a) Gametes b) Base Pairs c) Homozygous d) Karyotype 15) Every three nucleotides is 'read' as separate codons to create specific amino acids. a) Karyotype b) Triplet Codes c) Genotype d) Allele 16) A change to the DNA sequence of a gene. Spontaneous or environmental. E.g. Radiation. a) DNA b) Mutation c) Sex Linkage d) Base Pairs 17) Most suited to the environment = best chance or survival to pass on genes. a) Natural Selection b) Mitosis c) Amino-acids d) Somatic 18) Gradual change in species over many generations to adapt and survive. a) Evolution b) Base Pairs c) Variation d) Mutation 19) A single set of (n) of chromosomes in an organism's cells. E.g. gametes. a) Mitosis b) Evolution c) Allele d) Haploid 20) Two sets (2n) of chromosomes, one from each parent. a) Mitosis b) Recessive c) Diploid d) Chromosome 21) A section of DNA that instructs for a trait. E.g eye colour. a) Environmental b) Gene c) Punnett Square d) Variation 22) Cell division for reproduction. E.g. Four daughter cells with half (haploid) the number of chromosomes to parent cell. a) Meiosis b) Diploid c) Evolution d) Homozygous 23) Cell division for growth/repair. Two daughter cells with identical (diploid) number of chromosomes to parent cell. a) Environmental b) Mitosis c) Evolution d) Amino-acids 24) A variant of a gene for a trait. E.g. brown eyes. a) Karyotype b) Gametes c) Evolution d) Allele 25) The reproductive cells of an organism. Divides via meiosis. E.g. ova and sperm. a) Gametes b) Continuous c) Amino-acids d) Haploid 26) Any body cell of a living organism other than reproductive cells. Divides via mitosis. a) Somatic b) Traits c) Chromosome d) Mitosis 27) An inheritance chart of a 'trait' or 'health' condition through generations. a) Homologous b) Haploid c) Pedigree d) Amino-acids 28) Inheritance on X + Y chromosomes = trait differences between sexes. E.g. colour blindness. a) Carrier b) Pedigree c) Sex Linkage d) Gametes 29) Genetic makeup of unique set of alleles for a certain trait.  a) Inherited b) Evolution c) Heterozygous d) Genotype 30) Observable / physical traits of of genotypes. May be influenced by the environment. a) Phenotype b) Carrier c) Pedigree d) Variation 31) Breeding diagram used to predict genotypes. a) Punnett Square b) Autosomal c) Gene d) Continuous 32) The overruling allele of a gene that is always expressed when present.  a) Punnett Square b) Dominant c) Mitosis d) Discontinuous 33) The masked allele of a gene that is only expressed when paired with another recessive. a) Somatic b) Recessive c) Pedigree d) Homologous 34) Each of the four offspring boxes in a punnet square is 25% or 1:4 ratio. a) Inherited b) Heterozygous c) Percentage / Ratio d) Carrier 35) Inheriting the same version (allele) of a gene from each parent. a) Autosomal b) Homozygous c) Heterozygous d) Mitosis 36) Inheriting different alleles of a gene. Expression is determined by the dominant vs recessive relationship. a) Heterozygous b) Continuous c) Discontinuous d) Double Helix 37) The gene locus is on a non-sex chromosome (homologous pairs #1 - #22) a) Pedigree b) Nucleotides c) Dominant d) Autosomal 38) A person who has (carries) one affected allele in their genotype but does not show the phenotype trait. (heterozygous and recessive)  a) Carrier b) Percentage / Ratio c) Chromosome d) Autosomal

Genetics Vocabulary Quiz

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