Question

when a chromosome breaks at two places and the end portion fuse leaving out the central portion called​

Answer 1

Answer:

Ring chromosomes usually occur when a chromosome breaks in two places and the ends of the chromosome arms fuse together to form a circular structure and the deleted genetic material gets lost during cell division.

Answer 2

Answer:

Ring chromosomes usually occur when a chromosome breaks in two places and the ends of the chromosome arms fuse together to form a circular structure (Fig. 24.3C) and the deleted genetic material gets lost during cell division

Explanation:

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