The answer is: 23
You get a total of 46 chromosomes and half come from each parent.
Because A is dominant and there is two Aa alleles there is 50% of a soild<span />
4. Collect and measure the amount of rain in March and in April
Explanation - Rainfall can be measured by instruments like rain gauge. But in case rain gauge is not available then the rain water can be collected in a vessel having funnel at the top.
Measuring the amount of water falling each day in the month of march and april would give the idea about which month has more rainfall. The measurement might not be accurate but it gives a brief idea about how much centimeter of rain is occurring in both the months.
No, that is just the enzyme working at its maximum, the hardest it can. For example, the enzyme is still working at pH4, just not as hard as it is at pH6