The extra chromosome which produces Down's syndrome is:

Options:

an autosome

a "X" chromosome

a "Y" chromosome

either "X" or "Y" chromosome

What is the role of type II pneumocytes

Which term describes the chromosomal abnormality of having three pipes of a single chromosome

The communities plus the abiotic surroundings are called the

Which class will a honey bee belong?

What is the minimum internal cooking temperature for shell eggs cooked for a souffle?

Which of the following statements is true? Tsunamis happen when backwash is stronger than swash. Mudflows are the slowest form of slope failure. Weathering is the movement of sediment from one location to another.

Where is a proton located in the atom?

List the ways in which tadpoles turn to frogs

How do oxbow lakes form

When alzheimer disease appears in middle age rather than old age, it: a. progresses more slowly. b. progresses more rapidly. c. causes death within a year. d. is benign?