Answer:
OD
Explanation:
Scientists have conducted experiments that show that smoking damages lungs, and causes lung cancer.
Answer:
The answer is A.-6r+6
Explanation:
All you have to do is Simplify the problem
Answer:
DNA is the chemical name for the molecule that carries genetic instructions in all living things. The DNA molecule consists of two strands that wind around one another to form a shape known as a double helix.
Explanation:
Answer: Option D )Males have two different chromosomes.
Explanation:
The human males have two different chromosomes known as the XY- chromosome. Hence, a human male child receives a Y chromosome from his father with XY, and a X chromosome from his mother with XX.
Females, on the other hand have similar chromosomes (XX-chromosome), each X received from each parent.
Thus, the XY-chromosome in human males make for two different chromosomes.
