When an organism reproduces asexually, it usually
has
(1) only one parent, and half as much dna as
the parent
(2) only one parent, and the same chromosome
number as the parent
(3) two parents, and twice as much dna as
either parent
(4) two parents, and the same chromosome
number as each parent

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.