Platys and swordtails are related tropical freshwater fish.In studies, researchers have shown that female platys prefer males with swordtails, even though males of their own species do not have them.This was discovered by attaching artificial swordtails to platys males.What does this suggest about the origin of the swordtail feature?
A) Female preference for swords may have predated the origin of the feature itself.
B) Evolution of swords later led to evolution of female preference for swords.
C) The same gene that causes sword development also causes development of neural circuits for female preference.
D) Adjacent genes on the same chromosome cause sword development and development of neural circuits for female preference. Clarify question:
Correct Answer:
Verified
Q69: Which statement best sums up our understanding
Q70: Male hummingbirds flash a patch of iridescent
Q71: Research on starlings indicates that young birds
Q71: A zoo is hand-rearing an endangered species
Q72: In its youth, a pet parrot was
Q73: You work in a lab that studies
Q74: In the phalarope, or wadepiper bird, the
Q76: Which of the following genes would most
Q77: One spring, your friend living in Minnesota
Q86: Haplodiploidy is necessary for eusociality.
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents