Chromatin is dna that makes a chromosome and chromosomes are different dna strands in a cell, sister chromatids are identical pieces of dna
Answer:
any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties.
Explanation:
Answer:
Pedigree.
Explanation:
Pedigree analysis may be defined as the the method to determnine the family history of a particular trait. The pedigree is important to determine the disease and its inheritance pattern.
The pedigree allows the trace of the inheritance of a particular trait over several generations. The pedigree analysis determines the individual as a carrier of the trait.
Thus, the correct answer is option (B).