LECTURE September 19 ! th
What can we observe from this data?? Females had much larger sample size, A & C are
the largest numbers on both male and female. Sexual Dimorphism
What are the causes of variation in finger length?? - genotypic variation and phnotypic
Exam Question ANSWER: B) there has been a great deal of
movement of mussels into this river from nearby lakes
A= Natural selection
C= Bottle Neck
D= genetic repair mechanism
E= founder Effect!
What is a GENE: a molecular unit of heredity in a living organism
It’s made up of stretches of DNA and RNA that may code for a type of protein or have a
function in the organism.