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Get genetics reviews and study guides here. Learn about genetics or brush up on your skills. Thorough explanations and practice examples will help you review biology.

Study Guides

showing 31 - 40 of 108
  • 31.

    The Biochemical Basis of Heredity Practice Problems

    Review the following concepts if needed: Nucleic Acids for Genetics

    Source: McGraw-Hill Professional
  • 32.

    Genetic Interactions Help

    Two-Factor Interactions The phenotype is a result of many gene products expressed in a given environment. The environment includes not only external factors such as temperature and the amount or quality of light, but also internal factors such as hormones and ...

    Source: McGraw-Hill Professional
  • 33.

    Epistatic Interactions Help

    Dominant vs. Recessive Epistasis When epistasis is operative between two gene loci, the number of phenotypes appearing in the offspring from dihybrid parents will be less than four. There are six types of epistatic ratios commonly recognized, ...

    Source: McGraw-Hill Professional
  • 34.

    Pedigree Analysis Practice Problems

    Pedigree Anaylysis Practice Problems The pedigree below illustrates a case of dominant epistasis. (a)What symbol represents the genotype A-B-? (b)What symbol represents the genotype aaB-? (c) What symbol represents the ...

    Source: McGraw-Hill Professional
  • 35.

    Nonepistatic Interactions and Pleiotropism Help

    Nonepistatic Interactions Genetic interaction may also occur without epistasis if the end products of different pathways each contribute to the same trait. This is often referred to as complementary gene action.

    Source: McGraw-Hill Professional
  • 36.

    Genetic Interactions Practice Problems

    Review the following concepts if needed: Two-Factor Interactions for Genetics

    Source: McGraw-Hill Professional
  • 37.

    Genetic Interactions Practice Test

    Review the following concepts if needed: Two-Factor Interactions for Genetics

    Source: McGraw-Hill Professional
  • 38.

    Genetic Interactions Review Practice Problems

    Review the following concepts if needed: Two-Factor Interactions for Genetics

    Source: McGraw-Hill Professional
  • 39.

    Sex-Determining Mechanisms Help

    The Importance of Sex We typically think of sex in terms of males and females

    Source: McGraw-Hill Professional
  • 40.

    Sex-Linked Inheritance Help

    Sex-Linked Inheritance Any gene located on the X chromosome or on the analogous Z chromosome in birds and other species is said to be sex-linked, or X-linked. The first sex-linked gene found in Drosophila was the ...

    Source: McGraw-Hill Professional
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