Class Notes (835,600)
Canada (509,275)
BIOC51H3 (51)
Lecture 19

BGYB51H3 Lecture 19 Notes Nov 12

1 Page
117 Views
Unlock Document

Department
Biological Sciences
Course
BIOC51H3
Professor
Maydianne Andrade
Semester
Fall

Description
BGYB51H3 Lecture 1819 Notes -host race is a subgroup that specializes on a particular host or have habitat requirements -the specialization evolved due to selection -variation in emergence time in hawthorn flies, which can lead to speciation -disruptive selection occurs in apple and hawthorn flies in which hawthorns that emerge between both peak periods do less well than other hawthorns -flies show strong preference for one fruit type -incipient species are populations that have diverged but are not isolated, which indicates there is some gene flow -a difference in colour can be caused by a single nucleotide substitution in a gene regulating melanin -if one population occupies a niche, selection leads to adaptation to that niche and new environment, causing divergence -sexual selection concentrates on the phenotypic variation among i
More Less

Related notes for BIOC51H3

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit