Karyotypes Generally Remain Constant Within a Species Because

question 14

Multiple Choice

Karyotypes generally remain constant within a species because

• A) rearrangements occur frequently.
• B) changes in chromosome number occur infrequently.
• C) genetic instabilities produced by genomic changes usually are at a selective disadvantage.
• D) genetic imbalances are often at a selective advantage.
• E) DNA replication has evolved to handle only a specific number of chromosomes.

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