• Topic 7 Keystone Practice Review

    The questions in this review refer to topic 7: Genetics

      1. The allele that can be masked is called

        homozygous

        codominant

        recessive

        heterozygous


      1. The genotype AA or bb would be referred to as _____, while Aa or Bb would be ______.
        recessive...dominant

        dominant...recessive

        heterozygous...homozygous

        homozygous...heterozygous


      1. A man with straight hair and a woman with curly hair have a child. The child has wavy hair. This would be an example of

        incomplete dominance

        complete dominance

        codominance

        epistasis


      1. Directly manipulating the genome of an organism is referred to as

        genetic engineering

        playing god

        natural selection

        artificial evolution


      1. A trait that is found on the X chromosome is referred to as

        nondisjunction

        a homozygous disorder

        sex-linked

        autosomal


      1. A man who is colorblind mates with a woman that is a carrier for colorblindness. What is the probability that they will have a colorblind child??

        25%

        50%

        75%

        33%


      1. The physical appearance of an organism that results from its genetic makup is known as its?

        genotype

        phenotype

        mitochondrial effect

        allele


      1. Which of the following results in genetic variation

        mitosis

        independent assortment

        metaphase

        symbiosis


      1. When setting up a Punnett square, what information goes on the outside?

        the offspring alleles

        the parent alleles

        the diploid chromosomes

        somatic cells


      1. Different versions of the same trait are referred to as

        alleles

        flavors

        somatic cells

        gametes