Edexcel Biology B
Biology
a
Sample Data
| Front | Explain why standard deviation is used for analysing data |
| Back | - S.D. shows variation from the mean- a larger S.D. means greater spread, smaller S.D. is more reliable representation of the data |
| Front | What are the 4 stages of aerobic respiration? |
| Back | -Glycolysis-Link reaction-Krebs cycle -Oxidative Phosphorylation |
| Front |
 Deduce how achromatopsia is inherited.
Use the information in the pedigree diagram to support your answer. |
| Back | - the condition is recessive but not sex linked / is on an autosome- because 4 and 5 are not affected but 6 is affected / 4 and 5 must both be {carriers / heterozygous}- it cannot be sex linked as 3 is not affected |