heredity

3 articles · All tags

• What Is Epigenetics? How Genes Switch On and Off
  Epigenetics explains how chemical marks on DNA and its packaging proteins switch genes on or off without changing the DNA sequence, which is why cells differ.
• Mitosis vs Meiosis: Differences, Stages, and Purpose
  Mitosis makes two identical cells for growth and repair; meiosis makes four genetically different sex cells. Compare their stages, results, and why both matter.
• Mendelian Inheritance
  The patterns of trait transmission discovered by Gregor Mendel: segregation and independent assortment of alleles.