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.
Complete question:
You will find the complete question and answer in the attached files
Answer:
a) LL- <em> Long nose</em>
b) yy- <em>Blue body</em>
(c) Ss- <em>Squarepants body</em>
(d) RR- <em>Round eyes</em>
(e) Rr- <em>Round eyes</em>
(f) ll- <em>Stubby nose</em>
(g) ss- <em>Roundpants body</em>
(h) Yy- <em>Yellow body</em>
Explanation:
You will find the complete answer and explanation in the attached files due to technical problems.
<u>Answer:</u>
<em>The two major processes by which bacterial populations produce genetic diversity are gene transfer and mutation.</em>
<u>Explanation:</u>
Gene transfer in bacteria occurs through conjugation. In the process of conjugation, the plasmid gets transferred from bacteria to another. Mitosis leads to the formation of two identical individuals.
In this process, the chromosome and the DNA content of the daughter cell remains the same as the mother cell. Bacteria also divides by the process of binary fission.
River water contains minerals and nutrients that can be beneficial to plants on the land, helping them to grow.
False because extrusive rocks have fine-grained texture due to the rapid cooling of magna above the earth surface. On the other hand extrusive rocks have course grained texture due to slow cooling of magna beneath the Earth's surface