Arlene Estrada blog
Tuesday, October 27, 2015
Hardy Weinberg
The staring number given was q²=.20. That means out of a population of a thousand, two-hundred individuals are going to be recessive for this trait. By square rooting q² I can find out that q=.45, this shows us that 45% of all the alleles are recessive. After unlocking q I subtracted 1 from the value of q and got p=.55 which tells us that out of all the individuals in the population 55% have a dominant allele. By squaring p we get p²=.306 if you multiply this decimal by the total population which is 1,000 you get the number of individuals that are dominant for the trait which is 306 individuals. And finally to get the number of heterozygous individual which means that they carry both a dominant and recessive allele I multiplied 2(.55)(.45) and got .494 multiply .49 by a thousand and you get 494 individuals that are dominant for the trait because they have a P allele and it only takes one to be dominant.
Saturday, September 12, 2015
Pulse of the California Blackworm
First the outliers of the data were not considered in the calculations. Taking the average of day 1 and day two of all three batches (A,B,C) and then combining the averages of both the days. This resulted of having an overall average of A: 35.45 , B: 28.15, and C: 37.23. With this data and these calculations it seems that Batch A of the worms was normal and had no kind of substances added to alter the worms pulse. On the other hand Batch B had a much lower average pulse compared to the other batches ,so this was the batch with the depressant. And finally Batch C had an average pulse of 37.23 making this the Batch with the stimulant which affected the worms an having a higher pulse rate than the other batches.
Tuesday, August 18, 2015
This photo was taken at the zoo a couple years back. here you can see some turtles in the back on the rock. most of them are not swimming but just resting on the rock. This experience was my favorite because turtles are my favorite animal. It amazed me how they were faster swimming in the water ,but slower walking on land.
Bilogy scavenger #33 a flower
This picture was taken when I was smaller. I was in London, England and my cousin took me to this garden where there was only roses. There was a variety of colors of roses there, from white ,to red to pink, to almost any color imaginable. It was a sea of multi colored roses.
Biology summer scavenger #36 a bird
A you can see behind me there is a group of two birds one is clearly visible and the other is dipping its head in the water trying to find food to survive. these birds were in a big pond in the middle of the forest in Oregon.
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