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BartSMP [9]
3 years ago
15

The genes on a chromosome were represented as ABCDEFGH. After chromosomal breakage the order was found to be ABCEFGH. Which type

of change has occurred in chromosomal structure? a.Deletion b. Translocation c. Duplication
Biology
1 answer:
pychu [463]3 years ago
5 0
The answer is <span>a.Deletion.

Original gene:   A B C D E F G H
New gene:        A B C     E F G H

As can be noticed, letter D is missing and that now there are only 7 letters instead of 8. In other words, a base or whole segment (depending on what the letters represent on DNA - bases or some random segments) is deleted. This change in chromosomal structure is obviously deletion.</span>
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