Food is contained in the gastrointestinal tract from the time of ingestion until it is completely digested and the waste prepared for elimination. true false

True

Explanation:

The complete digestive system of humans is composed of the gastrointestinal tract and the accessory organs. The gastrointestinal tract is a connected organ system which is the pathway for food from the mouth to the anus. It includes mouth, esophagus, stomach, small intestine, and large intestine. The accessory organs are tongue, salivary glands, pancreas, liver, and gallbladder.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.