Answer the following questions about Dengue fever:
Where did they occur?
How did they start?
How did they spread?
How deadly are they?
Is there a vaccine?
Find out if the virus is gone, or is it still a problem.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

9. the history of life on earth is recorded in

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata