Genetics fill in the blanks?

Posted on 2015-09-24 06:17:00 in Biology by FLANNIGAN

When working on barley plants, two researchers independently identify a short-plant mutation and develop homozygous recessive lines of short plants. Careful measurements of the height of mutant short plants versus normal tall plants indicate that the two mutant lines have the same height.

How would you determine if these two mutant lines carry a mutation of the same gene or of different genes?

Cross the ______ lines, and examine the height of the ______ hybrids. If the ______ hybrids are short, the two mutations are in ______________ . If the _________ hybrids are of normal height (tall), then the two mutations are in ___________.
Possible choices for blanks are : F1, F2, different genes, the same gene, mutant, wild type.

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