Exam 1: Introduction to Genetics

Which of the following is the subdiscipline of biology concerned with the study of heredity and variation at the molecular,cellular,developmental,organismal,and populational levels?

Reference is often made to adapter molecules when describing protein synthesis in that they allow amino acids to associate with nucleic acids.To what class of molecules does this term refer?

The _______consists of a linear series of three adjacent nucleotides present in mRNA molecules.

Who,along with Alfred Wallace,formulated the theory of natural selection?

Which of the following is TRUE about alleles?

When mutation alters a gene,it may modify or even eliminate the encoded protein's usual and cause an altered _______.

A _______ is an organism produced by biotechnology that involves the transfer of hereditary traits across species.

Recombinant DNA technology is dependent on a particular class of enzymes,known as_______ that cuts DNA at specific nucleotide sequences.

What is the term given to the theory that states that the fertilized egg contains a complete miniature adult?

What is a homunculus?

What represents an organism's genome?

The various characteristics of organisms that result from their genetic makeup are collectively referred to as an organism's_______ .

Early in the twentieth century,Walter Sutton and Theodor Boveri noted that the behavior of chromosomes during meiosis is identical to the behavior of genes during gamete formation.They proposed that genes are carried on chromosomes,which led to the basis of the_______ .

Which of the following contains all the others?

Organisms that are well understood from a scientific standpoint and are often used in basic biological research are often called_______ .

Which of the following is an example of natural selection?

In the 1600s,William Harvey studied reproduction and development.What is the term given to the theory that states that an organism develops from the fertilized egg by a succession of developmental events that lead to an adult?

If a scientist changed a cell's ionic composition and complementarity between DNA strands could no longer occur,what would the scientist first detect?

What is another term for a biological catalyst?

Which of the following is an example of heredity?