A sickled cell has more of a "banana" shapped curve.
This curve often gets stuck in blood vessels, causing a clot
The defining abiotic factor of deserts is the amount of rainfall which is relatively very little in deserts. Desert climates can be found almost everywhere in the world.
The correct answers on Plato are
excretory system
circulatory system
Generally, the sun observes a solar cycle of eleven years. In this cycle, there are fluctuations in the activity, such as the ejected levels of solar radiation, and in the appearance of the sun, such as changes in the amount and size of sun spots, solar flares and other phenomena that occur on the sun's surface.
These changes also affect phenomena on earth, especially the auroras.
Codominance - <span>A form of dominance in which the alleles of a gene pair in a heterozygote are fully expressed thereby resulting in offspring with a phenotype that is neither dominant nor recessive.
</span>Mutation<span> occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene.</span>