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Heredity

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17 questions
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  • Q1
    What is an allele?
    One gene the offspring gets from each parent.
    30s
  • Q2
    What is a chromosome?
    A structure found in the nucleus of a cell that contains the genetic information (DNA).
    30s
  • Q3
    Homozygous
    the offspring either has two copies of the dominant allele or two copies of the recessive allele.
    30s
  • Q4
    Heterozygous
    the offspring has one copy of the dominant allele (trait) and one copy of the recessive allele (trait).
    30s
  • Q5
    A characteristic that can be pass on to its offspring through its genes.
    Trait
    30s
  • Q6
    Dominant
    The version of a trait that will be expressed regardless of the other allele(s) that is(are) present.
    30s
  • Q7
    Recessive
    The version of a trait that will only be expressed if two recessive alleles are present. In the presence of a dominant trait, the recessive trait will not be expressed.
    20s
  • Q8
    An organism's genetic makeup, represented by letters
    Genotype
    30s
  • Q9
    An organism's physical appearance, or visible traits
    Phenotype
    30s
  • Q10
    A chart that shows all the possible combinations of alleles that can result from a genetic cross.
    Punnett Square
    30s
  • Q11
    A nucleic acid found in the nucleus of all living cells, which carries the organism's hereditary information
    DNA
    30s
  • Q12
    A group of identical individuals that always produce offspring of the same phenotype when crossed, they are homozygous individuals eg: either BB or bb
    Purebred
    30s
  • Q13
    An organism that has two different alleles for a trait; or is heterozygous for a particular trait eg: Bb
    Hybrid
    30s
  • Q14
    Cell's division (PMAT) of the nucleus. Final product is 2 cells that are exactly like the parent cell.
    Mitosis
    30s
  • Q15
    The pair of chromosomes (X & Y) responsible for determining the sex of an individual.
    Sex Chromosomes
    30s

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