In a Certain Plant Species, Thick-Shelled Seeds Are Caused by the Dominant

question 44

Multiple Choice

In a certain plant species, thick-shelled seeds are caused by the dominant allele T. Thin-shelled seeds are caused by the recessive allele t. What is the genotype of an individual with thin-shelled seeds?

• A) TT
• B) tt
• C) Tt
• D) tt or Tt

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Definitions:

Song Production

The creation and vocal execution of songs by an animal, often used in the context of birds for mating, territorial defense, or communication.

Natural Selection

A fundamental mechanism of evolution where organisms with traits best suited to their environment are more likely to survive and reproduce.

Net Reproductive Gain

The overall increase in an individual’s or population's gene frequency in the next generation, after accounting for all factors of survival and reproduction.

Reproductive Success

The success of an organism in passing on its genes to the next generation, often measured by the number of surviving offspring.