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DNA and Heredity

Quiz by Robert Stephenson

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16 questions
Show answers
  • Q1
    A type of cell division that results in two daughter cells each with half the chromosome number of the parent cell.
    Meiosis
    30s
  • Q2
    Cell's division (PMAT) of the nucleus. Final product is 2 cells that are exactly like the parent cell.
    Mitosis
    30s
  • Q3
    Passing of traits from parents to offspring.
    Heredity
    30s
  • Q4
    DNA segments that serve as the key functional units in passing traits from parents to offspring.
    Genes
    30s
  • Q5
    A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins. 23 pairs.
    Chromosomes
    30s
  • Q6
    An organism's genetic makeup, or allele combinations.
    Genotype
    30s
  • Q7
    An organism's physical appearance, or visible traits.
    Phenotype
    30s
  • Q8
    A diagram that shows the occurrence of a genetic trait in several generations of a family.
    Pedigree
    30s
  • Q9
    A chart that shows all the possible combinations of alleles that can result from a genetic cross.
    Punnett Square
    30s
  • Q10
    Two identical alleles for a trait.
    Homozygous
    30s
  • Q11
    Two different alleles for a trait.
    Heterozygous
    30s
  • Q12
    An allele whose trait always shows up in the organism when the allele is present.
    Dominant Allele
    30s
  • Q13
    An allele that is masked when a dominant allele is present.
    Recessive Allele
    30s
  • Q14
    An alternative form of a gene.
    Allele
    30s
  • Q15
    A process involving meiosis where one cell divides into two cells with half the number of chromosomes.
    Sexual Reproduction
    30s

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