Suppose You Discover a New Species of Worm That Exists

question 66

Multiple Choice

Suppose you discover a new species of worm that exists in two forms-slimy and non-slimy.You find that mating slimy females with non-slimy males produces offspring consisting of slimy males and non-slimy females,whereas mating non-slimy females with slimy males produces offspring of both sexes that are all slimy.You would conclude that the _________ allele is dominant and that ________ are the heterogametic sex (the sex with two different sex chromosomes) in this species of worm.

• A) slimy;females
• B) slimy;males
• C) non-slimy;females
• D) non-slimy;males
• E) impossible to determine without further information

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Definitions:

Magic Traits

Specific traits in evolutionary biology that influence both mate choice and survival, facilitating speciation.

Genome

The complete set of genetic material, including all of the genes and their sequencing information, present in an organism or a cell.

Speciation

The process by which new distinct species evolve from a single ancestral species through geographic, ecological, or behavioral isolation and subsequent genetic divergence.

Defensive Chemicals

Substances produced by plants or animals to deter predators and protect against herbivores or pathogens.