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Bess [88]
3 years ago
8

Four major blood phenotypes (A, B, AB, and O) are determined by three alleles: A, B, and O. A person with type A has a certain p

rotein on their blood cells' membranes. A person with type B has a different protein
on their cells' membranes. Cells from type AB have both proteins, but cells from type 0, which is recessive, has neither protein
This example illustrates which of the following phenomena? SC.912.L.16.1
Codominance
O Polygenic inheritance
O Partial dominance
O Complete dominance
Biology
2 answers:
nexus9112 [7]3 years ago
8 0

Answer: A. Codominance

Explanation:

gregori [183]3 years ago
3 0

Answer:

codominance

Explanation:

took the test got it right

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Answer:

Scientists learn how climatic changes during the ice age affected life in this region by analyzing specimens found in these tar pits  

Explanation:

La Brea Tar Pits are a group of tar pits in Los Angeles. Many preserved remains of ancient organisms (i.e., fossils) were extracted from the tar, including, among others, Western horses, prehistoric camels, three-toed tapirs, rodent bones, insects, mollusks, wood, plants, etc. The oldest fossils have been dated to be approximately 38,000 years ago by radiometric techniques. Moreover, the Last Glacial Period was the most recent glacial period within the Quaternary glaciation, which encompassed the period between 115,000 to 10,000 years ago. This period (LGP) encompassed the Last Glacial Maximum (LGM), which occurred about 20,000 years ago. In consequence, many of the fossils found in La Brea Tar Pits evidence how the ice age affected life in this region. Moreover, many of the fossil species extracted from the tar are still present today, thereby indicating how these species adapted to fluctuating climatic conditions, whereas certain species couldn't adapt fast enough as the environment changed and therefore they went extinct.

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