What is the nucleolus? a. a ball of fibers inside the nucleus b. the membrane surrounding the nucleus c. the entire dna found in a cell d. an information organelle that makes protein

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

Which organ controls breathing? lungs alveoli heart diaphragm