What is the connection between sickle-cell anemia and malaria?
A) Both are dominant.
B) Both are X-linked.
C) Heterozygotes for malaria have some resistance to sickle-cell anemia.
D) Heterozygotes for sickle-cell anemia have some resistance to malaria.
E) Both are autosomal recessive.
Answer: D
You might also like to view...
In eukaryotes a so-called cap consisting of ________ is attached to the 5' end of the molecule during posttranscriptional modification of hnRNA to produce functional mRNA.
Fill in the blank(s) with the appropriate word(s).
Some bacteria in the human intestine aid in the digestion and absorption of nutrients, while utilizing these nutrients themselves as well. This is an example of:
A. commensalism. B. mutualism. C. parasitism. D. predation. E. an antagonistic interaction.
In the Kotukutuku plant, fuchsia excortiata, why do pollinated flowers remain attached to the plant for several days after pollination occurs and nectar is no longer produced?
What will be an ideal response?
Disease-causing infectious agents are known as ____________________. Indicate whether the statement is true or false