What is a radula 1. a muscular foot that move the animal around 2. a muscular limb used for digging in mud or sand 3.a hard outside shell used for protection 4. a tongue like organ that is used for feeding

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.