every cell in our body contains Dna
Answer:
Gene flow
Explanation:
Evolution is the changes seen in the growth, development, features of a certain group of species during the cause of time. Evolution causes changes in the gene frequency of species from one generation to the next generation.
There are 5 important mechanisms of evolution and they are: Gene flow, mutation, genetic drift, natural selection and non random mating.
Gene flow as a mechanism of evolution is the exchange or transfer of genes between a group of species as they move from one place to another. Gene flow can either increase the rate of evolution or decrease it.
A :-) Sickle cell disease occurs more often among people from parts of the world where malaria is or was common. It is believed that people who carry the sickle cell trait are less likely to have severe forms of malaria.
Answer:
Viruses may be defined as the organisms that shows the border line between the living and non living organisms. Viruses can only replicate when they enter in the body of a particular host.
Viruses are pathogenic for humans and can cause deadly diseases like AIDS. The pandemic condition of virus mainly depends on the the matter of time. The appearance of the disease condition before the occurrence of the another disease.
Answer:
In sonographic measurements performed in the transverse view, the diameter of aorta (Ao) constituted 15.7 mm, the longer dimension of the inferior vena cava (IVC1) equaled 28.4 mm and the shorter one (IVC2) – 15.5 mm. In the longitudinal view, Ao equaled 15.3 mm and IVC – 18.8 mm (tab.
