Darwin's Missing Mechanism

Question 1

Darwin believed in ___ inheritance

a. offspring phenotypes are intermediate between their __
b. PROBLEM: reduces __ across generations

Answer 1

blending

a. parents
b. variation

Question 2

Pangenesis (Proposed by Darwin): proposed that each part of the __ continually emitted its own type of small __ particles called gemmules that aggregated in the ___, contributing ___ information to the gametes

Answer 2

body, organic, gonads, hereditable

Question 3

Mendelians Led by William ___

a. Rejected the theory of __ ___
b. Believed evolution proceeded through a series of ___
c. Studied large ___ among individuals
d. Focused on ___ traits (EX. color)

Answer 3

Bateson

a. Natural Selection
b. macromutations
c. differences
d. discrete

Question 4

Biometricians Led by Karl and __:

a. Studied __ differences among individuals
b. Supported theory of __ ___
c. Focused on ___ traits (EX. height)

Answer 4

Weldon

a. small
b. Natural Selection
c. quantitative traits