C32 CHAPTER THIRTY TWO

CHAPTER THIRTY-TWO

CRESCENT VALLEY HIGH**

MARIANNA'S CLASSROOM**

**MARIANNA**

"Genes are hereditary units or basic units of inheritance. They are located in chromosomes and are responsible for the transmission of characters from parents to offsprings......" Our biology teacher, Mr. Edward read out of the biology textbook. I was already getting sleepy because the class was very boring and Mr