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What are some of the genetic mechanisms that can contribute to and lead to speciation?

First and foremost when dealing with a question like this we need to define and understand the key concept involved, and in this instanct it is speciation: the divergence of two distinct lineages from one...

TE
Answered by Thomas E. Biology tutor
1824 Views

‘Although the concept of ‘intention’ appears straightforward, the courts have struggled to define precisely what is meant by the term.’ Assess the difficulties associated with the definition of ‘intent’.

Firstly, it has been said that if the standard dictionary definition of intent was adopted then a number of defendants would no doubt be excluded from criminal liability even though they are felt to be cu...

AL
Answered by Alethea L. Law tutor
4193 Views

"La surveillance envahit la vie personnelle des gens; il faut que le gouvernement l'arrête." Discutez ce jugement.

En premier lieu, il faut qu'on reconnaisse les enjeux moraux que pose la surveillance. Les moyens employés par le gouvernement pour surveiller les citoyens enfreignent souvent le droit des gens à la confi...

JR
Answered by Joe R. French tutor
2713 Views

If x^2 = 16, why isn't the answer just x = 4?

You're right that x = 4 is a solution to the equation - but the problem is it's not the only solution, x = -4 also works.You have to be careful not to take a shortcut by simply taking the square root of b...

LD
Answered by Laurie D. Maths tutor
15140 Views

Frequent treatment with antibiotics can result in resistant strains of bacteria, explain how.

A mutation can occur, causing the formation of an antibiotic resistant gene within a bacteria. This bacteria will then survive the course of antibiotics and reproduce, passing on the gene by vertical gene...

HA
Answered by Hannah A. Biology tutor
8082 Views

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