A chromosome is DNA wrapped around proteins knwn as histones. A gene is a part of the DNA that codes for a particular protein
Answer:
Genetics
Explanation:
Genetics is the study of how traits are passed down to generations, like from parent to offspring.
Gregor Mendel is known as the father of genetics and was one of the first to study how traits were passed down across generations.
So, D is the correct answer.
Answer:
Earth is the third planet.
Explanation:
