Epilepsy, which is sometimes called a seizure disorder, is a disorder of the brain. A person is diagnosed with epilepsy when they have had two or more seizures. A seizure is a short change in normal brain activity. Seizures are the main sign of epilepsy. Some seizures can look like staring spells.
Roger Federer Welcomes Twin Sons Leo and Lenny. Roger Federer prefers to play doubles in daddy duty! The tennis star, 32, and his wife Mirka welcomed twins â again! â on Tuesday, May 6, he announced on Twitter shortly after the birth. âMirka and I are so incredibly happy to share that Leo and Lenny were born this evening! #TwinsAgain #Miracle,â Federer Tweeted. Itâs the second set of multiples for the couple, who are already parents to 4Â½-year-old identical twin daughters, Myla and Charlene. With the arrival of his sons, Federer â who confirmed in December that his family of four was expanding â pulled out of the Madrid Open on Tuesday.
Identical (monozygotic) twins are always of the same sex because they form from a single zygote (fertilized egg) that contains either male (XY) or female (XX) sex chromosomes. Therefore, boy/girl twins are always fraternal or ; they can only form from two separate eggs that are fertilized by two separate sperm. Fraternal twins can be either two girls, two boys, or one of each. These are the possible sex combinations: Two girl twins can be either identical or fraternal (monozygotic or dizygotic). Two boy twins can be either identical or fraternal (monozygotic or dizygotic). A set of boy/girl twins can only be fraternal (dizygotic). Boy/girl twins cannot be identical (monozygotic). Identical Twins. Identical twins come from a single fertilized egg that splits into two.