Biology, 30.09.2019 22:50 GiuliAzevedo

In african areas that are prone to malaria having normal blood leaves you prone to contracting malaria and death. having sickle cell anemia makes your blood unable to effectively transport oxygen and typically leads to early death. however, being heterozygous for normal blood and sickle cell anemia leads to the blood being able to effectively transport oxygen and resistance to malaria, allowing for a longer life expectancy.

is this directional, stabilizing, or disruptive selection

Answers: 1

Show answers

Another question on Biology

Biology, 22.06.2019 04:30

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Answers: 3

Answer

Biology, 22.06.2019 06:00

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Answers: 1

Answer

Biology, 22.06.2019 06:30

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

Answers: 2

Answer

Biology, 22.06.2019 07:00

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

Answers: 3

Answer

You know the right answer?

In african areas that are prone to malaria having normal blood leaves you prone to contracting malar...

Questions