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Genetics

Quiz by Adrienne Thomas

Grade 7
Science
Georgia Standards of Excellence

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30 questions
Show answers
  • Q1
    The passing of traits from parents to offspring.
    Heredity
    30s
    S7L3b
  • Q2
    A segment of DNA on a chromosome that codes for a specific trait.
    Gene
    30s
    S7L3b
  • Q3
    An alternative form of a gene.
    Allele
    30s
    S7L3b
  • Q4
    A chromosome is an organized structure of DNA, protein, and RNA found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequence.
    Chromosome
    30s
    S7L3b
  • Q5
    Term used to refer to an organism that has two identical alleles for a particular trait.
    Homozygous
    30s
    S7L3b
  • Q6
    Term used to refer to an organism that has two different alleles for a particular trait.
    Heterozygous
    30s
    S7L3b
  • Q7
    A characteristic that an organism can pass on to its offspring through its genes.
    Trait
    30s
    S7L3b
  • Q8
    Describes a trait that covers over, or dominates, another form of that trait.
    Dominant
    30s
    S7L3b
  • Q9
    Describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear.
    Recessive
    30s
    S7L3b
  • Q10
    An organism's genetic makeup, or allele combinations.
    Genotype
    30s
    S7L3b
  • Q11
    An organism's physical appearance, or visible traits.
    Phenotype
    30s
    S7L3b
  • Q12
    A diagram that shows the occurrence of a genetic trait in several generations of a family.
    Pedigree
    30s
    S7L3b
  • Q13
    A chart that shows all the possible combinations of alleles that can result from a genetic cross.
    Punnett Square
    30s
    S7L3b
  • Q14
    Demonstrated by the difference in appearance that offspring show from parents and siblings.
    Variation
    30s
    S7L3b
  • Q15
    A nucleic acid found in the nucleus of all living cells, which carries the organism's hereditary information.
    DNA
    30s
    S7L3b

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