Genetic Terminology

noun a fluid consisting of plasma, red and white blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues

preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause

• The doctor explained that certain genetic conditions are passed down in the blood.
• I guess being good at sports just runs in the blood in our family.
• Being a mechanic is in the blood for him - he's been fixing cars since he was a kid.
• Her love for music is truly in the blood, as she comes from a long line of musicians.

noun mRNA - messenger RNA, a type of RNA that carries genetic information from DNA to the ribosome for protein synthesis

• mRNA is a molecule that carries genetic information from the DNA in the cell nucleus to the ribosomes in the cytoplasm.
• Scientists use mRNA to study how genes are expressed in different cells.
• mRNA is like the messenger that delivers instructions from the DNA to make proteins.
• Just like a messenger, mRNA delivers important information to the protein-making machinery in the cell.