PCR technique is your answer
Answer:
The tetrad occurs during the first phase of meiosis. It is the foursome of chromatids that forms when replicated homologous chromosomes align. It must be formed for crossing over to occur. It is broken apart when the homologous chromosomes separate in meiosis I.
Explanation: Hope this help (MARK BRAINLIEST)
D, Organism B.
8/2 is 4, the greatest average of both variables.
Maybe because the skin lacks oils which moisturize the skin. When you put lotion on your skin you moisturize it causing ti to be supple.