Answer:
A Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.
Explanation:
I did the test.
Answer:
A) chromosomes is the correct answer.
Explanation:
Chromosomes are present in nuclei of animals and plants and they are composed of protein and DNA.
functions of chromosomes
- Chromosomes are required for the formation of daughter cells, replication and cell division process.
- Chromosomes carry the genetic material called DNA that provides genetic information to carry out the different cellular processes and functions.
Answer:
they are chambers located below the two atria.
the right ventricle receives deoxygenated blood whereas the left receives oxygenated blood which opens up into the aorta