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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 11 - 20 of 108
  • 11.

    Dominant and Recessive Alleles Help

    Dominant and Recessive Alleles Allelic forms of many genes are expressed by coding for the synthesis of a protein, which, in turn, affects the phenotype of the organism. If a distinctive phenotype is associated with an allele (a) only when its alternative ...

    Source: McGraw-Hill Professional
  • 12.

    Crosses Involving Single Genes Help

    Six Different Single Gene Crosses The monofactorial cross is a mating in which only a single gene is analyzed or monitored in the cross. This cross demonstrates Mendel's principle of segregation. There are six types of crosses ...

    Source: McGraw-Hill Professional
  • 13.

    Other Allelic Relationships for Genetics Help

    Codominant Alleles Alleles that lack complete dominant and recessive relationships and are both observed phenotypically are called codominant. This means that the phenotypic effect of each allele is observable in the heterozygous condition. Hence, ...

    Source: McGraw-Hill Professional
  • 14.

    Probability Theory Help

    Law of Products There are two laws of probability that are used for genetic analysis. The first law, the law of products (or product rule), is used to predict the probability of two or more independent events occurring together. ...

    Source: McGraw-Hill Professional
  • 15.

    Statistical Distributions for Genetics Help

    The Binomial Distribution In (p + q)n, the p and q represent the probabilities of alternative independent events, and the power n to which the binomial is raised represents the number of trials. The sum of the factors ...

    Source: McGraw-Hill Professional
  • 16.

    Crosses Involving Two or More Genes Help

    The Dihybrid Cross The simultaneous inheritance of two or more traits, each specified by a different pair of independently assorting autosomal genes (i.e., genes on different chromosomes other than the sex chromosomes) can be analyzed using a ...

    Source: McGraw-Hill Professional
  • 17.

    Testing Genetic Ratios Help

    Sampling Theory and Size The application of statistics to genetic problems can help predict and evaluate outcomes of crosses and experiments. Sampling Theory If we toss a coin, we expect that half of the time it will ...

    Source: McGraw-Hill Professional
  • 18.

    Pedigree Analysis Help

    Pedigree Analysis A pedigree is a systematic listing (either as words or as symbols) of the ancestors of a given individual, or it may be the "family tree" for a large number of individuals. It is customary to represent females as ...

    Source: McGraw-Hill Professional
  • 19.

    Patterns of Inheritance Practice Problems

    Review the following concepts if needed: Patterns of Inheritance - Terminology for Genetics

    Source: McGraw-Hill Professional
  • 20.

    Patterns of Inheritance Practice Test

    Review the following concepts if needed: Patterns of Inheritance - Terminology for Genetics

    Source: McGraw-Hill Professional

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