50,000 years ago d. 200,000 years ago 12. A hyphenated word counts as one word. For the following questions, either three of the statements are correct and one is false, or three are false and one is correct. Pick out the one odd statement, be it correct or false, and circle the respective letter. Milk production is maintained primarily by the release of progesterone.
Breast milk contains fat-soluble pesticides and other pollutants.
Breast milk contains antibodies directed against antigens in the infant s environment 27. If a trait is influenced by a gene, then relatives who share the trait will share the same allele of the gene more often than expected by chance. Pairs of gay brothers share the same allele of the Xq28 region on the X chromosome less frequently than expected by chance. Only a few hunter gatherer societies know the institution of marriage. The majority of human societies are polygynous.