Question:
The high rate of diversification of HIV strains inside a host is a result of (SELECT ALL THAT APPLY):
1. High mutation rates in the HIV itself.
2. Strong and varying selection forces caused by hypermutation of antibody genes in the lymphocytes.
3. Errors in transcribing the viral RNA from the host DNA.
Answer:
All the above options are correct.
Explanation:
According to research, Retroviral cultures evolve rapidly to fit the dynamic nature of their environs.
It is also established that errors in replication can provide the basis for diversity.
Cheers!
When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
Answer:
A
Explanation:
If the cattle waste fertilizes the land, it will continue to grow.
Gravida <span><span>indicates the number of times that a woman has been pregnant including present pregnancies. If a pregnancy if of several babies (like twins) it still counts only as one pregnancy. All pregnancies count regardless of the ultimate outcome, whether the child was born or not. Gravida 3 would indicate that the woman being assessed had been pregnant two times and the present pregnancy was the third time.
</span><span>Para (parity) indicates the number of pregnancies of a woman that reached the birth or a stillbirth time. The number of babies involved on one pregnancy counts only as one parity if it comes to birth or </span></span>a stillbirth time - twins would count as one parity. Para 2 would then indicate that the woman had reached the v<span>iable gestational age in her previous two pregnancies.</span>
