Mendels Work-Probability and Genetics

  1. The passing of traits, or characteristics, from parents to offspring is called _________________.

    B. heredity
  2. ______________ was a young priest who experimented with pea plants to study the inheritance of traits.

    D. Gregor Mendel
  3. A ___________ plant is one that produces offspring with the same form of a trait as the parent.

    B. purebred
  4. __________ are factors that control TRAITS.

    a. alleles
    b. phenotypes
    c. genotypes
    d. genes
    d. genes
  5. ________ are different forms of a gene.

    C. alleles
  6. The female parent contributes one factor while the male parent contributes no factors.


    BOTH the male and the female contribure factors.
  7. Individual alleles control the __________________ of traits.

    A. inheritance
  8. A ___________ allele is one whose trait aalways shows up in the organism when the allele is present.

    C. dominant
  9. A ____________ allele is masked or covered up when the dominant allele is present.

    E. recessive
  10. A _____________ controlled by a recessive allele will only show up when the dominant allele is not present.

    C. trait
  11.  A ________ is not a purebred plant because it has two different alleles for a trait.

    B. hybrid
  12. This man, because of his work, is often called the Father of Genetics.

    D. Gregor Mendel
  13. Which of the following is a dominant allele...

    d. fb
    C. F

    A dominant allele is always represented by a capital letter.
  14. Which of the following is a recessive allele...

    B. f

    A recessive allele is represented with a lowercase letter.
  15. This chart represents all the possible combinations of alleles that can result from a genetic cross.

    A. Punnett square
  16. A ____________ is an organism's physical appearance or visible traits.

    D. phenotype
  17. A ___________ is an organism's genetic makeup or allele combinations.

    A. genotype
  18. An organism that has two idential alleles for a trait is said to be _____________.

    C. homozygous
  19. An organism that has two different alleles for a trait is said to be _____________.

    D. heterozygous
  20. In ____________ , the alleles are neither dominant or recessive.

    A. codominance
  21. Which of the following is a codominant allele....

    • A. Fb
    • Codominant alleles are written as capital letters with a superscript.
  22. Organisms with codominat alleles for a trait will show characteristics from ______ parent(s) for that trait.

    A. both
Card Set
Mendels Work-Probability and Genetics
A Study Guide-Mendel's Work, Probaility and Geneitcs