subject
Biology, 18.10.2019 03:30 QueenNerdy889

The fugate family, also known as the "blue people of kentucky" have a condition known as methemoglobinemia which prevents hemoglobin from carrying oxygen and makes it difficult for unaffected hemoglobin to release oxygen to body tissues. this condition can be caused by exposure to drugs and chemicals, but can also be inherited, as with the fugates. it causes their skin to be blue and their blood is brownish, due to a lack of oxygen, and is likely to be due to the absence of an enzyme. martin fugate came to kentucky in 1820 and was reported to have been blue. he married elizabeth smith, with a normal complexion, although members of her family and other families in the region were blue. gene flow or migration is the transfer of alleles or genes from one population to another. select the combination of facts that indicate the occurrence of gene flow in the fugate family. i. four of the fugate's seven children had blue complexions. ii. travel in and out of this area was rare in the 1800's, but is more common now. iii. according to doctors, occurrence of the condition is rarely seen anymore. iv. methemoglobinemia at 10-20 percent of hemoglobin can cause blue skin without more serious symptoms. a) i. and iv. b) i. and iii. c) iii. and iv. d) ii. and iii.

ansver
Answers: 2

Other questions on the subject: Biology

image
Biology, 21.06.2019 17:40, persondontknowhelp
Which of the following is an oxidation-reduction reaction? (pictured below)
Answers: 1
image
Biology, 22.06.2019 05:30, joshuajoseph249
Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor
Answers: 1
image
Biology, 22.06.2019 08:00, alfonso55
The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a. coral reefs because of the loss of the symbiotic algae living within their bodies b. penguin populations because the fish they eat will move into warmer waters c. mountain-dwelling birds because rising sea levels will relocate their food sources d. large cats in the rainforest because of decreased habitat loss for their prey
Answers: 2
image
Biology, 22.06.2019 08:10, seandietz111
Which is the correct formula for photosynthesis
Answers: 2
You know the right answer?
The fugate family, also known as the "blue people of kentucky" have a condition known as methemoglob...

Questions in other subjects:

Konu
Mathematics, 05.12.2021 14:00