A genetic mutation causes a disease when the the DNA encodes is altered such that it no longer functions properly. Errors during can cause genetic problems with the resulting germ cells. Down syndrome is caused by three copies of chromosome 21, also known as 21. A silent mutation is a change in the DNA that does not change the encoded , and has no phenotypic effect.

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.