Which of these does NOT occur during meiosis? * production of identical gametes
production of new gene combinations
crossing-over of homologous chromosomes
reduction of chromosome number by one-half

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

The chemical form of energy that is useable by the cell to do work

What are the student's observations and inferences before he starts his investigation?