Homework Clinic

Science Clinic => Biology => Topic started by: j_sun on Jul 11, 2013

Title: Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monospe
Post by: j_sun on Jul 11, 2013

Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. If pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species, then which of these terms is applicable?
A) behavioral isolation
B) mechanical isolation
C) hybrid breakdown
D) reduced hybrid viability

Title: Re: Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monospe
Post by: coco on Jul 12, 2013

Hey again :D

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

Title: Re: Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monospe
Post by: j_sun on Aug 31, 2013

You're the best, thank you