Lecture #1, Genetics: The Science of Heredity and Variation

Question 1

Branch of biology that deals with principles of heredity and variation of all living things.

Answer 1

Genetics

Question 2

It is the core biological science that seeks to understand the molecular and physical bases of biological diversity, the mechanisms resulting from these diversities, and the principles that govern their heredity from one generation to another.

Answer 2

Genetics

Question 3

Genetics doesn’t deal with the fundamental properties and problems of all aspects of biology: biochemistry, anatomy, development, evolution, ecology, morphology, and physiology.

Answer 3

False; it deals.

Question 4

Genetics was derived from the Greek word _____ which means ____________.

Answer 4

gen; to become or to grow into something.

Question 5

The term was coined by who

Answer 5

William Bateson

Question 6

In what year did William Bateson coin the term

Answer 6

1906

Question 7

Genetics began with the work of an Australian monk, Gregor Mendel.

Answer 7

False; Austrian

Question 8

In what year did Gregor Mendel discover that hereditary characteristics were determined by elementary factors that are transmitted between generations in a uniform predictable fashion?

Answer 8

1866

Question 9

Another term for elementary factors

Answer 9

Genes

Question 10

How many important attributes of the genes?

Answer 10

Two (2)

Question 11

What are the two important attributes of the genes?

Answer 11

1. The gene is inherited from generation to generation in such a fashion that each progeny has a physical copy of this material.
2. The gene provides information regarding the structure, function, and other biological properties of the characteristic or trait it controls.

Question 12

This is the theory that prevailed by Aristotle in the 19th century.

Answer 12

Theory of Pangenesis

Question 13

This theory proposed that semen was formed everywhere in a man’s body and such semen reflected the characteristic ties of the body part from where it was formed.

Answer 13

True

Question 14

It was accepted by many biologists of the 20th century, including Charles Darwin.

Answer 14

19th century

Question 15

Theory of Inheritance of Acquired Characteristics was proposed by ____________, based on the Theory of Pangenesis.

Answer 15

Jean Baptiste de Lamarck

Question 16

This theory was proposed to be the

Answer 16

the fundamental mechanism of evoluntary change

Question 17

Proposed that generation or sex cells perpetuated themselves in reproduction generation after generation.

Answer 17

Germplasm Theory

Question 18

Who is the first to challenge the theory of pangenesis using Mice’s tails?

Answer 18

August Weismann