Word Origin and History for mesopotamian. ancient name for the land that lies between the Tigris and Euphrates rivers (in modern Iraq), from Greek mesopotamia (khora), literally a country between two rivers, from fem. of mesopotamos, from mesos middle (see medial (adj.)) + potamos river (see potamo-).
Monogenic forms, caused by a single mutation in a dominantly or recessively inherited gene, are well-established, albeit relatively rare types of PD. They collectively account for about 30% of the familial and 3%â5% of the sporadic cases.
33) A 1:2:1 phenotypic ratio in the F2 generation of a monohybrid cross is a sign of. A) complete dominance. B) multiple alleles. C) incomplete dominance.D) polygenic inheritance. E) pleiotropy. C) incomplete dominance.nswered in 14. 33) A 1:2:1 phenotypic ratio in the F2 generation of a monohybrid cross is a sign of. A) complete dominance. B) multiple alleles. C) incomplete dominance. D) polygenic inheritance.