Answer: acetyl group, methyl group, or phosphate group
Explanation Basically different modification can occur to the tail regions of histone .This includes addition of the groups listed above
Gametogenesis, the production of sperm and eggs, involves the process of meiosis. During meiosis, two nuclear divisions separate the paired chromosomes in the nucleus and then separate the chromatids that were made during an earlier stage of the cell's life cycle.
Sugar in RNA is called Ribose similar to the sugar in DNA which is Deoxyribose
Internal fertilization is the process when the syngamy (union of male and female gamete) occurs inside the female body after insemination using copulation. In contrast, External fertilization is the syngamy outside the female body, that is in the outer environment especially in water bodies.
