There has been a colossal snafu in the maternity ward of your local hospital. four sets of male twins, born within an hour of each other, were inadvertently shuffled in the excitement occasioned by that unlikely event. you have been called in to set things straight. as a first step, you would like to match each baby with his twin. (many newborns look alike so you don’t want to rely on appearance alone.) to that end you analyze a small blood sample from each infant using a hybridization probe that detects short tandem repeats (STRs) located in widely scattered regions of the genome. the results are shown in Figure Q10–15.
a. Which infants are twins? Which are identical twins?
b. How could you match a pair of twins to the correct parents?
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