__________ is one explanation for why new human species have not emerged in millions of years.
A. The Hardy-Weinberg theory
B. Gene flow
C. Mutation
D. The founder effect
Question 2
Continuous traits are those that __________.
A. are passed from parent to child without skipping any generations
B. are determined by genes at multiple genetic loci and result in a gradation of phenotypic expression
C. are produced by genes shared by all members of a species
D. emerged during Gregor Mendel's attempts to create hybrid pea plants
The surface of the human brain
human leukocyte on mesh fibrin
The skullcap from Trinil, Java is the type specimen for H. erectus and is about 900,000 years old.
The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...
Human Development (Full Term)
Human Population Growth