In Genetics, the Dash Symbol (-) Is a "Wild Card

question 72

Multiple Choice

In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for example, A- means the individual has either the genotype AA or Aa. Two genes that undergo independent assortment affect flower color in sweet peas. Each gene as two alleles, one of which is dominant for flower color. Genotypes of the form A- B- have purple flowers, whereas those of the form A- bb, aa B-, and aa bb have white flowers. What ratio of purple : white is expected from the cross Aa Bb × Aa Bb?

• A)9:7
• B)10:6
• C)12:4
• D)13:3
• E)15:1

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Definitions:

Four Elements

The fundamental components often referred to in various contexts, such as earth, water, air, and fire in nature, or the essential parts of a legal contract.

Breach Of Duty

The failure to meet legal obligations in a contract, or the violation of a duty imposed by law or agreement.

Domesticated

Pertaining to animals that have been tamed and kept by humans as pets or for work or food; or legal documents formally recognized and enforced by a jurisdiction different from where they were issued.

Good Samaritan Statutes

Laws offering protection to individuals who give reasonable aid to those who are injured or in peril, without fear of being sued for unintentional harm.