Search found 130 matches

by Ultrashogun
Sat Dec 01, 2007 4:37 pm
Forum: Genetics
Topic: What is the probability that their 1st child will be albino?
Replies: 6
Views: 4204

Re: hi friend

hezha wrote:you can solve that problem very easily with Binominal test law.


You dont even really need that because 2 over 2 = 1.
by Ultrashogun
Sat Dec 01, 2007 4:29 pm
Forum: General Discussion
Topic: What class do you recommend?
Replies: 11
Views: 7124

If I wanted money I wouldnt have choosen biology in the first place.
by Ultrashogun
Mon Nov 26, 2007 9:21 pm
Forum: Genetics
Topic: Sex-Linked Traits and Autosomal Genes
Replies: 5
Views: 7643

Coney89 wrote:i dont know thats what i also need to know


Well if I(male) get the X chromosome with daltonism(recessive) then why is that different than if my sister gets it and another X that doesnt have the mutation?
by Ultrashogun
Mon Nov 26, 2007 9:14 pm
Forum: Genetics
Topic: heterozygote defective genes
Replies: 6
Views: 3557

So actually 'r' are at least two different allels, one dominant and one recessive?
by Ultrashogun
Mon Nov 26, 2007 9:09 pm
Forum: Genetics
Topic: Genetic Cross
Replies: 3
Views: 3571

Think about how many genes there could be.
by Ultrashogun
Mon Nov 26, 2007 9:04 pm
Forum: Genetics
Topic: phenotype and genotype ratio
Replies: 19
Views: 234273

Re: RATIOS?

i dont understand what the ratio is if its Rr Rr Rr Rr or Rr Rr rr rr PLEASE HELLPPP Theres no ratio. The situation which you describe is sometimes called Mendels law of uniformity because all the progeny show the phenotype of the dominant allele, so it can be a tool to find out which allele is dom...
by Ultrashogun
Mon Nov 26, 2007 8:58 pm
Forum: Genetics
Topic: trihybrid punnett squares
Replies: 2
Views: 3774

Sounds like a huge pain in the butt. Does it specifically tell you to use Punnett squares? If not just do the math.
by Ultrashogun
Tue Oct 30, 2007 6:41 pm
Forum: Genetics
Topic: dihybrid cross
Replies: 4
Views: 3008

simmonsk wrote:oh. duh. that means the other parent must have the recessive drooler gene too. so the genotype is Dd, correct?


Yeah but if it were Dd x dd then not all the F1 would be droolers.
by Ultrashogun
Sat Oct 27, 2007 11:53 am
Forum: Genetics
Topic: barr body and colorblindess
Replies: 3
Views: 3907

mith wrote:http://en.wikipedia.org/wiki/Triple_X_syndrome


Dont forget that it is in fact a son.
by Ultrashogun
Sat Oct 27, 2007 11:48 am
Forum: Cell Biology
Topic: why cant cells be smaller than 0.1 nano meters?
Replies: 5
Views: 2422

MrMistery wrote:because you have to fit DNA, a few ribosomes, some enzymes, proteasomes, RNA degrading machines etc. And that stuff doesn't come in mini-size


That made me smile, "Doesnt come in mini size".
by Ultrashogun
Sat Oct 27, 2007 11:47 am
Forum: Cell Biology
Topic: why cant cells be smaller than 0.1 nano meters?
Replies: 5
Views: 2422

DNA is around 2nm thick, a ribosome has a diameter of abbout 25nm.
by Ultrashogun
Sun Jul 15, 2007 2:59 am
Forum: Evolution
Topic: why is green photosynthesis so dominant?
Replies: 14
Views: 8777

I think the great abbundance of light near the waters surface and on dry land removes the need to absorb the highest energy light.

Red and Brown Algea live in greater depths so their pigments are specialized to absorb the light that reaches those depths.