Question 1

Novel arrangements of genetic variation can occur during all of the following EXCEPT

Accepted Answer

A)  mitosis. 
B)  meiosis. 
C)  recombination. 
D)  crossing-over.

Question 2

A _____________ is a folded string of amino acids.

Accepted Answer

A)  protein 
B)  chromosome 
C)  mitochondrion 
D)  ribosome

Question 3

The term "evolvability refers to

Accepted Answer

A)  the idea that the genome can be an active participant in evolution. 
B)  the notion that cellular structure can be manipulated through genetic engineering. 
C)  the tendency toward reproductive variation, even in cloned organisms. 
D)  All of these answers are correct.

Question 4

RNA uses a nucleotide called ____________, instead of thymine, during the transcription process.

Accepted Answer

A)  aspernine 
B)  codinine 
C)  thiamine 
D)  uracil

Question 5

Mitochondrion DNA

Accepted Answer

A)  does not contain diploid cells. 
B)  determines the sex of the offspring. 
C)  is inherited solely from the mother. 
D)  is inherited solely from the father.

Question 6

Explain who Mendel was, what he studied, how his studies explain heredity, and how we have improved on Mendel's original understandings.

Accepted Answer

The answer of Explain who Mendel was, what he studied,...

Question 7

A trait is said to be _____________ when the two alleles are different.

Accepted Answer

A)  recessive 
B)  dominant 
C)  homozygous 
D)  heterozygous

Question 8

Recent estimates suggest that as much as _____________ percent of our DNA is not "doing anything that we can currently detect.

Accepted Answer

A)  35 
B)  55 
C)  75 
D)  98

Question 9

_____________ is the term traditionally used to refer to the basic structure and processes of DNA and its related machinery.

Accepted Answer

A)  Heredity 
B)  Inheritance 
C)  Genomics 
D)  Genetics

Exam 3: Introduction to Genetics and Genomics