Author Question: Two species of frogs belonging to the same genus occasionally mate, but the offs (Read 843 times)

j_sun

  • Sr. Member
  • ****
  • Posts: 384
Two species of frogs belonging to the same genus occasionally mate, but the offspring fail to develop and hatch. What is the mechanism for keeping the two frog species separate?
A) the postzygotic barrier called hybrid inviability
B) the postzygotic barrier called hybrid breakdown
C) the prezygotic barrier called hybrid sterility
D) gametic isolation



coco

  • Hero Member
  • *****
  • Posts: 739
Hey again :D

I'm guessing it's A. It makes sense.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

j_sun

  • Sr. Member
  • ****
  • Posts: 384

 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library