1.) A persons genes are found in their chromosomes. The correct answer is D, your chromosomes. The correct answer is D.
2.) The shape of DNA is called a double helix. The strands run opposite each other and twist together. The correct answer is B.
3.) The relationship between a chromosome and DNA is that chromosomes are made of DNA. The correct answer is A.
4.) One thing that parents pass on to their offspring is genes. For example, hair color, eye color, skin color. The correct answer is A.
Neither, humans don't have an estrous cycle, instead the females have a menstrual cycle.
I don't know if this is right but I think B: three times or its probably more than 3 times bc of these hurible people in this world!
Answer:
what ? u don't know how to answer that question sorry
B. Antibodies produced by B cells
