Modern Human Evolution

1. The introduction of ________ was likely responsible for evolutionary changes in both pelvic capacity and lactose-tolerance
4. Difficult birth, e.g. obstructed labour due to position/size of the baby’s head
6. If certain advantageous characteristics are more prevalent than other traits, they might be ______ for
7. The Human _______ Project mapped out the complete set of the human genetic code
10. Mechanism that gave rise to the -13910*T allele in humans
11. Basic structure or “building block” of DNA
12. Many individuals in this location lack the -13910*T allele due to a lack of dairy in their diets
15. The study of the origin of humans
16. Drug-resistant pathogen
19. Provides offspring with calories and Vitamin D
20. Single-base changes in DNA
21. A functional and heritable trait that increases an organism’s likelihood of survival and reproduction, for example, lactase-persistence.
22. ______ Revolution; 1970’s scientific advancement

2. Strains of bacteria can develop _____ with the overuse of antibiotics
3. There is less of this gas at a higher altitude
5. About one fifth of births today are performed by a ______ section
8. A lack of _______ led to reduced birth weights upon the introduction of agriculture 10,000 years ago.
9. The enzyme that breaks down lactose
10. DNA found in this cell organelle can be used to study human evolution
13. A taxon that modern species descended from
14. Dinosaur’s outcome following meteor strike
17. Bone whose width can determine whether childbirth will be obstructed
18. Lactose is a natural ________ in milk.