7th Edition Brooker Test Bank

Genetics Analysis and Principles 7th Edition Brooker Test Bank MULTIPLE CHOICE - Choose the one alternative that best completes the statement or answers the question.1) The basic unit of heredity is the .

• individual
• gene
• macromolecule

• trait
• none of the

answers are correct

2) A variation of a gene is called a(n) .

• species
• morph

• genome
• allele
• proteome

3) Which of the following acts to accelerate chemical reactions in a cell?

• Nucleic acids
• Lipids

• Carbohydrates
• Enzymes

E) DNA

4) The building blocks of DNA are .

• amino acids
• carbohydrates

• enzymes
• nucleotides
• lipids

5) If a carbohydrate is going to be broken down for energy, which of the following molecules would be directly

• Catabolic enzymes

involved in the breakdown?

• Nucleotides
• Anabolic 1 / 4

enzymes

• Lipids
• Chromosomes

6) RNA is formed by the process of .

• transcription
• translation
• both transcription and translation

• Replication

7) A characteristic that an organism displays is called .

• a gene
• a chromosome

C) DNA

• gene

expression

• a trait

8) The level of study of genetics where the prevalence of a trait in a species is investigated is known as .

• population genetics
• organismal genetics
• cellular genetics

• molecular

genetics

9) The study of the processes of transcription and translation is at what level of biological organization?

• Population
• Organismal

• Cellular
• Molecular

10) Alternate versions of a specific gene are called . 2 / 4

• nucleotides
• chromosomes
• alleles
• traits

11) Genetic variation is ultimately based upon which of the following?

• Morphological differences
• Small variations in nucleotide sequence of the

• Carbohydrate

content of the cell

• Translation

DNA

12) An organism whose cells contains two copies of each chromosome is called .

• a genetic mutation
• a morph

• haploid
• diploid
• alleles

13) A cell that makes up the body structure of an organism and is diploid is .

• a gamete
• a somatic cell

• an allele
• rare
• a sperm cell

14) In many organisms, one set of chromosomes comes from the maternal parent, while the other set comes from the paternal parent. Similar chromosomes in these sets are said to be .

• morphs
• alleles
• haploid

traits

• homologs
• physiological 3 / 4

15) In humans, gametes are different than other cells of the body in that they are .

• diploid
• haploid

• genetic

mutations

• morphs

16) Which of the following is correct regarding natural selection?

• It is not based on competition for resources
• Beneficial traits are not passed on to the next

generation

• It does not enable a species to become better

adapted to its environment

• It may

drastically change a species over time

17) The use of a gene sequence to synthesize a functional protein is known as .

• loss-of-function mutation
• gene expression

• the human

genome project

• proteomics

18) The differences in inherited traits among individuals in a population are called .

• species variation
• genetic mutations
• genetic variation

• natural

selection

• / 4