The type of mutation in which a segment of a chromosome breaks off and reattaches in the reverse direction (backwards). The type of mutation that results in a different amino acid being coded for. ... This is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.
By obtaining and observing the spectrum of the distant star (s).
<span>A diagnostic test in which contrast material is inserted into the bladder through a catheter and x-rays taken as the patient urinates is abbreviated: is called retrograde cystography.
Retrograde means backward and cystography mean to visualize urinary bladder. This examination is used to visualize bladder when there is some obstruction in the urethra. Since a catheter can't be put on through there so it's inserted to bladder directly.
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The term that can be used for another way of being a educated guess would be called an hypothesis.
