The wife was born with a certain type of glaucoma, and thus she carries a dominant gene on one of her chromosomes for that condition. Her husband does not have the condition. Only one of the chromosome pairs needs to carry the gene for the person to have glaucoma. Complete the following grid to determine the chances for each of their children to be born with glaucoma. D indicates the gene that carries glaucoma. n indicates a normal gene, which does not carry glaucoma. The wife is shown as Dn. The husband is shown as nn. Wife

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?

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are