What is Sickle cell anemia?
Sickle cell is an autosomal recessive trait of humans that arises through mutation in normal gene. The gene for this trait is found in recessive form and you need two copies of the gene - one from father and one from mother- to have the trait expressed. If the trait is expressed it causes a disease called sickle cell anemia.
People with the sickle cell anemia disease have red blood cells of crescent or sickle shape. The red blood cells of this shape can cause many complications in body. They get stuck in blood vessels and cause pain. They also die quickly and make a person anemic (pale).
Probability to have a child with sickle cell anemia:
If a mother is normal but a father is carrier for the trait, then the situation will be as:
Here N indicate normal allele, S indicate allele for sickle cell anemia.
Mother ˣ Father
NN NS
Gametes: N N N S
Offspring: NN NS NN NS
50% : Normal
50% : Carrier
0% : Sickle cell anemia
It means that 50 % kids will be normal and 50% will be carrier for the trait and none of the offspring will have disease Sickle cell anemia.
However, those who are carriers can carry the disease to the next offspring if they are married to a carrier or a person with sickle cell anemia.
The appropriate response is plasma protein. This is proteins exhibit in blood plasma. They serve a wide range of capacities, including transport of lipids, hormones, vitamins and minerals in the circulatory framework and the control of cell action and working of the safe framework.
Transmission electron magnifying lens - The transmission electron magnifying instrument utilizes electrons rather than light. a light magnifying lens is constrained by the wavelength of light. TEMs utilize electrons as "light source" and their much lower wavelength makes it conceivable to get a determination a thousand times superior to with a light magnifying lens. The likelihood for high amplifications has made the TEM a significant instrument in both medicinal, natural and materials research.Compound light magnifying instrument - Microscope with more than one focal point and its own particular light source. There are visual focal points in the bonicular eyepieces and target focal points in a turning nosepiece nearer to the example. To determine the energy of amplification of a compund light magnifying instrument, it's expected to take the energy of the target focal point and duplicate it by the eyepiece which is by and large 10x. Albeit at times found as monocular with one visual focal point, the compound binocular magnifying lens is all the more regularly utilized today. The principal light magnifying lens goes back to 1595, when Zacharias Jansen made a compound magnifying instrument that utilized crumbling tubes and delivered amplifications up to 9X.
Answer:
oceanic plate going down: subduction
theory of crustal structure: plate tectonics
fjord: drowned glaciated valley
isostasy: buoyancy
deepest ocean depths: trench
Answer:
.............. what grade is this
