In doing the experiment in root pressure, it is always a priority to know and apply precautions in doing experiments. It is best to consider precautions that will be of help and to prevent any damage that could occur. Precautions that are needed to be applied: Safety handling has always been a priority in handling experiments because if this is not done correctly, a lot of things may go wrong. Follow the correct procedure in order to have the correct outcome because not following the instruction could fail the experiment. Lastly, materials needed should be organized and complete in order to provide the needs of the experiment.
The different chromosomal combinations would be calculated using the formula;
2^n; where n is the number of different chromosomes. \
Using this formula ; when the diploid number is 14 (for 7 pairs ) will be given by; 2^7 = 128 different combinations.
It means that a barley plant which has seven pairs of chromosomes will have 128 different combinations.
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Answer:
pulling a hand off a hot kettle
Explanation:
since it burns your brain immediately tells you it hurts and you pull away. hence, a reflex.