In meiosis I, homologous chromosomes pair with each other and can exchange genetic material in a process called chromosomal crossover. The homologous chromosomes are then segregated into two new daughter cells, each containing half the number of chromosomes as the parent cell.
Usual adult dose of benadryl is 25-50 mg per dose 3-4 times daily. Children benadryl contain 12.5 mg per tsp. You have taken 25 mg. Please feel free for any follow up query.
The typical dose would be one 25mg pill per 25Ibs in body weight. For dogs that dislike taking tablets, try crushing the tablet in something tasty, or use Benadryl liquid instead, although be aware that liquid Benadryl contains alcohol and is not as suitable as the tablet form of Benadryl.