PLEASE HELP !! This pedigree shows the inheritance of Tay-Sachs in a family. Tay-Sachs is a recessive
disorder that causes cells to be
unable to break down waste
products. These wastes build up in brain cells and cause damage and eventual death. Fill out the genotypes of each of the family members.

TT = normal
Tt = carrier
tt = disease

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?