4: Mendelian Genetics
Mendel’s principles, Punnett squares, genotype/phenotype ratios, and autosomal pedigree analysis.
Mendelian Crosses and Generational Stages Identification
Click to show Mendelian Crosses and Generational Stages Identification example problem
Match each of the following Mendelian crosses and generational stages with their corresponding descriptions.
Note: Each choice will be used exactly once.
| Your Choice | Prompt | |
|---|---|---|
| 1. backcross | ||
| 2. F2 generation | ||
| 3. hybrid cross | ||
| 4. test cross | ||
| 5. P generation |
Drag one of the choices below:
- A. the original parental generation in a hybrid cross
- B. a type of cross when F1 generation individuals are crossed with one of the two parents
- C. a type of cross where the dominant phenotype is crossed with the homozygous recessive genotype
- D. the generation resulting from the mating of F1 generation hybrids
- E. a type of cross that mates two true-breeding individuals with different phenotype
Matching Mendel's Foundational Principles of Genetics
Click to show Matching Mendel's Foundational Principles of Genetics example problem
Match each of the following Mendel's Foundational Principles of Genetics with their corresponding descriptions.
Note: Each choice will be used exactly once.
| Your Choice | Prompt | |
|---|---|---|
| 1. Principle of Dominance | ||
| 2. Law of Segregation | ||
| 3. Law of Independent Assortment | ||
| 4. Principle of Paired Factors |
Drag one of the choices below:
- A. Traits from different genes are passed down separately from one another.
- B. For every characteristic, an organism possesses two alleles.
- C. Out of the two different alleles for the same gene, only one is able to express its effect.
- D. Two alleles for a character are randomly distributed into different gametes.
Matching Mendelian Genetics Terms and Definitions
Click to show Matching Mendelian Genetics Terms and Definitions example problem
Match each of the following Mendelian genetics terms with their corresponding definitions.
Note: Each choice will be used exactly once.
| Your Choice | Prompt | |
|---|---|---|
| 1. homozygous | ||
| 2. heterozygous | ||
| 3. trait | ||
| 4. dominant | ||
| 5. alleles |
Drag one of the choices below:
- A. two unalike alleles for a particular gene
- B. examples of a character's form include round or wrinkled seeds in plants
- C. if two copies of a gene are different, this allele will be expressed
- D. same version of a gene inherited from each parent
- E. variations at one gene locus
Monohybrid Cross Genotype-Phenotype Matching
Click to show Monohybrid Cross Genotype-Phenotype Matching example problem
Match each of the following parental genotypes in monohybrid crosses with their corresponding descriptions of the progeny.
Note: Each choice will be used exactly once.
| Your Choice | Prompt | |
|---|---|---|
| 1. Aa×Aa | ||
| 2. AA×aa | ||
| 3. AA×AA | ||
| 4. aa×aa | ||
| 5. AA×Aa | ||
| 6. Aa×aa |
Drag one of the choices below:
- A. Produces a 3:1 phenotype ratio in progeny
- B. Produces offspring that are all homozygous recessive
- C. Results in all homozygous dominant offspring
- D. Yields offspring with 50% homozygous dominant and 50% heterozygous genotypes
- E. Results in all heterozygous offspring
- F. Produces a 1:1 phenotype ratio in progeny
Identification of Mendelian Cross Generations
Click to show Identification of Mendelian Cross Generations example problem
Which one of the following Mendelian crosses and generational stages correspond to the description 'a type of cross where F1 generation hybrids are crossed with one of the parental genotype'.
Mendel's Foundational Principles of Genetics
Click to show Mendel's Foundational Principles of Genetics example problem
Which one of the following Mendel's Foundational Principles of Genetics correspond to the description 'Each organism has two alleles for each gene.'.
Mendelian Genetics Terms Identification
Click to show Mendelian Genetics Terms Identification example problem
Which one of the following Mendelian genetics terms correspond to the definition 'a general term for either male (sperm) or female (egg) germ cells, which unite to form the zygote'.
Monohybrid Cross Genotype Problem Solving
Click to show Monohybrid Cross Genotype Problem Solving example problem
Which one of the following parental genotypes in monohybrid crosses correspond to the description of the progeny 'Produces offspring that are all homozygous recessive'.