The double bubble sign on ultrasound is a sign for duodenal atresia which is associated with Down Syndrome.
Biology is the study of living things or organism. It is a science of life. And it is a great affect of human development because and humans possesses both genetic and environmental surroundings. Genes are the first inheritance in all creatures that effects the appearance or purpose of an organism in definite manner.
Answer:the answer should be look
Explanation: I dont know an explanation but yeah(:
Conditioning (don't trust me, I could be wrong)
