Recently, on the basis of DNA, geographic, and behavioral differences between desert tortoises east and west of the Colorado River, it was decided that two species of desert tortoises exist: the Agassiz's desert tortoise (Gopherus agassizii) and Morafka's desert tortoise (Gopherus morafkai).dwards et al. report that 35% of desert tortoises in the Phoenix area are hybrids between either Gopherus agassizii and G. morafkai, or G. morafkai and the Texas tortoise, G. berlandieri.
Alpha-Fetoprotein (AFP) in Blood. Guide. An alpha-fetoprotein (AFP) blood test checks the level of AFP in a pregnant woman's blood. AFP is a substance made in the liver of an unborn baby (fetus). The amount of AFP in the blood of a pregnant woman can help see whether the baby may have such problems as spina bifida and anencephaly.
Results are usually returned between one and two weeks. MSAFP may be performed between the 14th and 22nd weeks of pregnancy, however it seems to be most accurate during the 16th to 18th week. Your levels of AFP vary during pregnancy so accurate pregnancy dating is imperative for more reliable screening results.SAFP is a screening test that examines the level of alpha-fetoprotein in the motherâs blood during pregnancy. This is not a diagnostic test. It is often part of the triple screen test that assesses whether further diagnostic testing may be needed.