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Genetics Review

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  • Which genotype is heterozygous? CHOICES: BB, brown eyes, Bb, bb
    Bb
  • What does DNA stand for?
    DEOXYRIBONUCLEIC ACID
  • Crickets who cannot make a sound are less likely to find a mate and reproduce. For this reason, there are few crickets that cannot make a sound. This is an example of — (CHOICES: natural selection, replication, learned behavior)
    NATURAL SELECTION
  • Diagram used to show the possible combination of alleles from genetic crossing of parents
    PUNNET SQUARE
  • What is an advantage of sexual reproduction?
    Produces diverse offspring, Organisms are able to adapt in changing environments/for survival, Not all bad genes are passed on
  • Traits of organisms are passed from ______________ to __________________.
    PARENT TO OFFSPRING
  • One side of DNA is: A-G-C-T-T-G-A. What would be the matching side of this section of DNA?
    T-C-G-A-A-C-T
  • The genetic makeup of an organism/a combination of an organism's alleles is _____________________
    GENOTYPE
  • What does homozygous mean?
    Two of the same alleles (both dominant or both recessive) HH or hh
  • The process of choosing organisms for the most desirable traits for mating is known as –
    SELECTIVE BREEDING
  • How many parents are required for asexual reproduction?
    ONE
  • The physical characteristics of an organism is it's _____________________
    PHENOTYPE
  • What does heterozygous mean?
    Hh, different alleles, one dominant allele and one recessive allele
  • The hereditary information in animal and plant cells is located on chromosomes, which are stored in the cell’s ─
    NUCLEUS
  • What is budding?
    a type of asexual reproduction in which a new organism develops from an outgrowth or bud
  • In peas, the gene for purple flowers is dominant over the gene for white flowers, which is recessive. If two white flowered plants produce six offspring, how many of those offspring will have white flowers?
    SIX (ALL OF THEM)
  • When a trait has two forms and one trait is expressed over the other, the trait that is expressed is said to be ─
    DOMINANT