The right answer is common error.
A common error (or random error) is when, from one measure to another, the value obtained may be overvalued or underestimated in relation to the real value.
An example of a random error is the measurement of time with a timer. The error comes from the reaction time of the experimenter at start-up and at the end of the timer. Since this reaction time is not always the same, the measured value can be overestimated or underestimated. It is understandable that a repetition of the measures can alleviate the random error.
Each gamete gets just one crest allele. Half of the gametes will get one of the parent's alleles, and the other half will get the other allele. The Punnett square shows the possible crest allele combinations in the offspring. There are 4 possible combinations in all.
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Homeostasis is a self-regulating technique by which systems
in the body maintain stability and tend to adjust to optimal conditions which
are essential for survival. Thereby, the role of homeostasis is to help the
body maintain constant internal environment. A good example of homeostasis
would be ‘drinking excess alcohol causes vomiting’.
A quasar is formed when a super massive black hole has enough material around it to fall in it's accretion disk.
