Question: Which of the following would be considered a source of error in an experiment
A) only three house flies were collected for an experiment
B) A beaker is knocked over and the contents are spilled on the floor
C) the data do not support the hypothesis
D) An incorrect average is calculated for the control group
Answer:
"Only three house flies were collected for an experiment
" would be considered as a source of error in an experiment.
Explanation:
Errors are what makes your measurement invalid and unreliable. There are two types of error which is called the systematic error and the random error. Each error has different sources. Words that were mentioned –invalid and unreliable are very important key aspects to determine that your measure is truly accurate and consistent. Some would recommend using the mean method, doing three trials in measuring and getting their mean, in response to this problem.
Answer:
iAiA and iBiB
Explanation:
Blood type in humans is controlled by a gene with three alleles namely: iA, iB, and i. Alleles iA and iB are dominant over allele 'i' but codominant. The following are the allelic combinations of the genotype and the resulting blood types:
iAiA or iAi - type A
iBiB or iBi - type B
iAiB - type AB
ii - type O
According to this question, one parent has type A blood and the other has type B. If all the offsprings of these parents have blood type AB, this means that the parents must have a genotype of iAiA and iBiB respectively.
Quasars emit large amounts of radio energy.
