Unit Test — Unit test Answers

Which of the following correctly organizes these genetic terms in order from smallest to largest?

Which best matches a type of genetic material with its description?

Which represents a strand of RNA bases?

Consider the diagram. Which disorder is produced as a result of the final chromosomal change shown in the diagram?

All of the following would be visible on a karyotype except

Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Down syndrome is a genetic disorder that is also called trisomy 21. What would trisomy 21 look like in a karyotype?

Consider the diagram.Which chromosomal change is represented?

Which describes something that occurs during translation?

What can a person do to limit exposure to X-rays?

A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene.What can he assume about the number of adenine?

Which of these is the primary site of protein synthesis?

Which is a frameshift mutation?

DiGeorge syndrome is characterized by a cleft palate, immune deficiency, and developmental issues. Which chromosomal change causes it?

Which best describes a centromere?

Which is an arrangement of genes consisting of an operator, a promoter, and a repressor?

Which is a purpose for which a pedigree chart might be prepared?

Which best summarizes the process of protein synthesis?

Which chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome?

What was Friedrich Miescher's contribution to the discovery of the genetic code?

How many genes make up the human genome?