A Certain Kind of Snail Can Have a Right-Handed Direction

question 41

Multiple Choice

A certain kind of snail can have a right-handed direction of shell coiling (DD or Dd) or left-handed coiling (dd) . However, if direction of coiling is due to a protein deposited by the mother in the egg cytoplasm, then a Dd egg-producing snail and a dd sperm-producing snail will have offspring of which genotype(s) and phenotype(s) ?

• A) 1/2 Dd:1/2 dd; all right-coiling
• B) all Dd; all right-coiling
• C) 1/2 Dd: 1/2 dd; half right-coiling and half left-coiling
• D) all Dd; half right-coiling and half left-coiling

---

Definitions:

Situational Pressures

The external forces or social situations that influence an individual's behavior, decision-making process, or feelings, often leading to changed or adapted behavior to fit the circumstance.

Observers

Individuals who watch or take notice of events or behaviors, often for the purpose of recording information or making judgments.

Fundamental Attribution Error

The tendency to attribute others' actions to their character or personality while underestimating situational influences.

Defensive Attribution

A cognitive bias that leads individuals to attribute more blame to victims of misfortune than is warranted, often to believe that such events would not happen to themselves.