Answer: Males inherit only one X chromosome, so they show all traits on that one chromosome without another to mask them
Explanation: Males are born with XY Females are born with XX
Compounds that do not contain carbon
All domestic mammals have seven cervical vertebrae.
Answer:
Option b. Lowering the pH to kill pathogenic bacteria is correct answer.
Explanation:
bacterial motors are sensitive to pH. By decreasing the pH bacterial motors stops working. This was identified in a new research. But, with the weak acids and a lower internal pH they slow and ultimately stop moving (became dead).
Reference: Powell, K. Acid stops bacteria swimming. Nature (2003).
Phenotypes are the physical makeup of a living thing and genotypes are the genetic makeup of the living thing