Patterns of genetic inheritance obey the laws of probability. In a monohybrid cross, where the alleles present in both parents are known, each genotype shown in a Punnett Square is equally likely to occur. Since there are four boxes in the square, every offspring produced has a one in four, or 25%, chance of having one of the genotypes shown.
Read MoreFriday, April 29, 2011
Wednesday, April 27, 2011
Note to mac users -
A recent update is causing the illustrations to run poorly on the chrome and firefox browsers. I expect a future update will resolve this issue.
For the time being you will get the best performance on a mac with safari or opera.
For the time being you will get the best performance on a mac with safari or opera.
pH
The definition of pH is straightforward: pH describes the concentration (or activity) of positively charged hydrogen ions (H+) in a solution. Underlying this definition is a set concepts that can be challenging to understand. The challenge comes from needing to appreciate:
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