I believe it's called a sex-linked trait, if I'm remembering correctly. This is because men do not have an X chromosome, therefore it would be linked to females.
Answer:
3
Explanation:
Three hydrogen bonds....
"Cytosine and guanine pairing can be found in both DNA and DNA-RNA hybrid formed during replication and transcription. The two nitrogenous bases are held together by three hydrogen bonds."
Fill in 'B' is 23 and number 2 is C
Well first, your immune system has two main halves, innate and adaptive... the innate is the line of defense to fight off disease and bacteria, which is made up of anatomical barriers
