Hybrids Resulting from Matings of Inbred Strains Often Show Heterosis

question 3

Multiple Choice

Hybrids resulting from matings of inbred strains often show heterosis, explained by two different hypotheses, overdominance and dominance. What are the predictions of these hypotheses?

• A) The Overdominance hypothesis relies on dominant/recessive alleles
• B) The Dominance hypothesis relies on the fact that in the F1s, the deleterious effects of recessive alleles are masked by dominant ones

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Definitions:

Self-Esteem

An individual's subjective evaluation of their own worth, encompassing beliefs and emotions about oneself.

Ataque De Nervios

A cultural syndrome primarily seen in Latin American populations characterized by uncontrollable shouting, crying, trembling, and sensations of heat in the chest and head.

Mal De Ojo

A cultural belief in Latin American communities that an envious glare or compliment can bring bad luck or injury to someone, particularly children.

Susto

A cultural illness found in Latin America, characterized by chronic somatic suffering stemming from emotional trauma or a frightening experience.