Studying for Biology Test c;

Question

anonymous · Answer

do you need help?

shadowlegendx · Answer

Yeah, are you good with biology?

anonymous · Answer

im in anatomy and physiology so i've already taken it so I can help you

shadowlegendx · Answer

If the frequency of one allele in a population is 0.7, what is the frequency of the alternate allele? 

A).  0.30
B).  0.09
C).  0.21
D)  0.42

anonymous · Answer

okay hold on

anonymous · Answer

alright got it....but i wont give you the blunt answer. do you know how to calculate?

shadowlegendx · Answer

No, I am doing the study guide for a section where I was absent on the day that they reviewed this, so that's why I'm here ;P

anonymous · Answer

okay i'll tell you how but then you must do it on your own okay?

shadowlegendx · Answer

Ok! :)

anonymous · Answer

okay here it is p2 + 2pq + q2 = 1

shadowlegendx · Answer

Ok, how do I use this formula?

anonymous · Answer

hold on i gave you the wrong formula sorry hold on

anonymous · Answer

ok refresh me whats an allele?

shadowlegendx · Answer

An allele is basically a version of a gene

anonymous · Answer

okay thanks sorry i haven't taken biology in three years

shadowlegendx · Answer

Haha ok ;P

anonymous · Answer

okay heres the equation p + q =1

shadowlegendx · Answer

What do the variables represent?

shadowlegendx · Answer

Oh, it's A

anonymous · Answer

you got it?
do you still need me to tell you the variable meanings?

shadowlegendx · Answer

P stands for the dominant allele and q stands for the recessive allele

anonymous · Answer

yes

shadowlegendx · Answer

Together they have to equal one

shadowlegendx · Answer

Wow that's really simple xD

anonymous · Answer

yes see? lol need anything else?

shadowlegendx · Answer

I think I'm good for now, but I may need assistance in the future. Are you going to be on OS for the next couple hours or no?

anonymous · Answer

yes

shadowlegendx · Answer

Which one of the following statements is true?

A) Individuals evolve through natural selection
B) Organisms evolve structures that they need
C) Natural selection works on variation already present in a population
D) Natural selection works on non-heritable traits

@bleftheris

anonymous · Answer

okay hold on

anonymous · Answer

c

shadowlegendx · Answer

Why is it C?

anonymous · Answer

its c becuase with present population it is able to reproduce by selection

anonymous · Answer

did you get it?

anonymous · Answer

@ShadowLegendX

shrutipande9 · Answer

u need anymore help @ShadowLegendX  ?