Ascientist that constructs a hypothesis and then tests its validity by outlining predicted events of the hypothesis followed by experiments to test for those events is using the approach. a. kochb. scientific methodc. spontaneous generationd. taxonomice. none of the choices are correct

The correct answer is option b, that is, scientific method.

Explanation:

An approach of looking for knowledge that comprises formulating and examining a hypothesis is known as a scientific method. This methodology has an application in finding the answers to queries in a broad array of disciplines outside of science, including business.  

The scientific method offers a systematic and logical way to answer queries and withdraws subjectivity by needing each answer to be authenticated with impartial proof that can be generated. There is no single accurate way to list the stages in the scientific method. In spite of how the steps are acknowledged, the aim of the scientific method is to collect information, which will invalidate or validate a cause and effect association.  

ok

explanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.