Question 1

Lack of dominance means that only recessive genes are present.

Accepted Answer

A) True 
 B)False

Question 2

Which is a part of DNA but not RNA?

Accepted Answer

A)  uracil 
B)  thymine 
C)  adenine 
D)  cytosine 
E)  guanine 
A)  uracil 
B)  thymine 
C)  adenine 
D)  cytosine 
E)  guanine

Question 3

Bateson and Punnett could not adequately explain unusual genetic ratios that occurred as a result of linkage.

Accepted Answer

A) True 
 B)False

Question 4

Messenger RNA is a ______- stranded molecule.

Accepted Answer

A)  single 
B)  double 
C)  triple 
D)  multiple 
E)  both single and double are correct 
A)  single 
B)  double 
C)  triple 
D)  multiple 
E)  both single and double are correct

Question 5

Haploid and diploid chromosome sets are common in both plants and animals, but plants frequently have additional sets of chromosomes-a condition called ________.

Accepted Answer

A)  point mutation 
B)  polyploidy 
C)  translocation 
D)  inversion 
E)  aneuploidy 
A)  point mutation 
B)  polyploidy 
C)  translocation 
D)  inversion 
E)  aneuploidy

Question 6

James Watson and Francis Crick started the field of ________ with their 1953 discovery of the structure of DNA.

Accepted Answer

A)  Mendelian genetics 
B)  transposable genetics 
C)  population genetics 
D)  genetic inheritance 
E)  molecular genetics 
A)  Mendelian genetics 
B)  transposable genetics 
C)  population genetics 
D)  genetic inheritance 
E)  molecular genetics

Question 7

The genetic information encoded in DNA is difficult to alter, making mutations rare.

Accepted Answer

A) True 
 B)False

Question 8

________ work with transposons was recognized when s/he received a Nobel Prize in 1983.

Accepted Answer

A)  Rosalind Franklin's 
B)  Barbara McClintock's 
C)  Francis Crick's 
D)  Linus Pauling's 
E)  James Hardy's 
A)  Rosalind Franklin's 
B)  Barbara McClintock's 
C)  Francis Crick's 
D)  Linus Pauling's 
E)  James Hardy's

Question 9

Changes in chromosome number and structure that ________ are important in the origin of new species (speciation).

Accepted Answer

A)  are point mutations 
B)  create new alleles 
C)  affect the success of meiosis and sexual reproduction 
D)  interfere with mitosis 
E)  alter the phenotype of the individual in a somatic mutation 
A)  are point mutations 
B)  create new alleles 
C)  affect the success of meiosis and sexual reproduction 
D)  interfere with mitosis 
E)  alter the phenotype of the individual in a somatic mutation

Question 10

Which statement correctly describes the arrangement of the nitrogenous bases in the double helix of DNA?

Accepted Answer

A)  Each of the 4 nitrogenous bases on one DNA strand can pair with any of the other 4 nitrogenous bases on the other strand. 
B)  Any purine nitrogenous base on one DNA strand can pair with any other purine on the other DNA strand. 
C)  Any pyrimidine nitrogenous base on one strand of DNA can pair with any other pyrimidine base on the other strand. 
D)  Any pyrimidine nitrogenous base on one strand of DNA can pair with any purine on the other DNA strand. 
E)  Adenine (
A) , a purine, on one DNA strand pairs with thymine (T), a pyrimidine, on the other strand; Guanine (G), another purine, pairs with cytosine (
C) , a pyrimidine. 
A)  Each of the 4 nitrogenous bases on one DNA strand can pair with any of the other 4 nitrogenous bases on the other strand. 
B)  Any purine nitrogenous base on one DNA strand can pair with any other purine on the other DNA strand. 
C)  Any pyrimidine nitrogenous base on one strand of DNA can pair with any other pyrimidine base on the other strand. 
D)  Any pyrimidine nitrogenous base on one strand of DNA can pair with any purine on the other DNA strand. 
E)  Adenine (
A) , a purine, on one DNA strand pairs with thymine (T), a pyrimidine, on the other strand; Guanine (G), another purine, pairs with cytosine (
C) , a pyrimidine.

Question 11

If the nucleotide sequence of DNA is T C C G A A, then the corresponding on mRNA is

Accepted Answer

A)  A G G C T T 
B)  C T A A G G 
C)  A G G C U U 
D)  U U C G G A 
E)  A C C G T T 
A)  A G G C T T 
B)  C T A A G G 
C)  A G G C U U 
D)  U U C G G A 
E)  A C C G T T

Question 12

The Central Dogma of Molecular Genetics is summarized in the following statement: ________.

Accepted Answer

A)  Proteins convert the mRNA into tRNA molecules in the cytoplasm. 
B)  The flow of information in a cell is from DNA transcribed to mRNA in the nucleus, to the translation of mRNA into a polypeptide in the cytoplasm. 
C)  DNA is the template for the construction of polypeptides in the cytoplasm. 
D)  mRNA is transcribed into rRNA by the tRNA on ribosomes. 
E)  The semiconservative replication of DNA is the source of changes in the genome. 
A)  Proteins convert the mRNA into tRNA molecules in the cytoplasm. 
B)  The flow of information in a cell is from DNA transcribed to mRNA in the nucleus, to the translation of mRNA into a polypeptide in the cytoplasm. 
C)  DNA is the template for the construction of polypeptides in the cytoplasm. 
D)  mRNA is transcribed into rRNA by the tRNA on ribosomes. 
E)  The semiconservative replication of DNA is the source of changes in the genome.

Lack of dominance means that only recessive genes are present.

Which is a part of DNA but not RNA?

Bateson and Punnett could not adequately explain unusual genetic ratios that occurred as a result of linkage.

Messenger RNA is a ______- stranded molecule.

Haploid and diploid chromosome sets are common in both plants and animals, but plants frequently have additional sets of chromosomes-a condition called ________.

James Watson and Francis Crick started the field of ________ with their 1953 discovery of the structure of DNA.

The genetic information encoded in DNA is difficult to alter, making mutations rare.

________ work with transposons was recognized when s/he received a Nobel Prize in 1983.

Changes in chromosome number and structure that ________ are important in the origin of new species (speciation).

Which statement correctly describes the arrangement of the nitrogenous bases in the double helix of DNA?

If the nucleotide sequence of DNA is T C C G A A, then the corresponding on mRNA is

The Central Dogma of Molecular Genetics is summarized in the following statement: ________.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters

Exam 13: Genetics

Lack of dominance means that only recessive genes are present.

Which is a part of DNA but not RNA?

Bateson and Punnett could not adequately explain unusual genetic ratios that occurred as a result of linkage.

Messenger RNA is a ______- stranded molecule.

Haploid and diploid chromosome sets are common in both plants and animals, but plants frequently have additional sets of chromosomes-a condition called ________.

James Watson and Francis Crick started the field of ________ with their 1953 discovery of the structure of DNA.

The genetic information encoded in DNA is difficult to alter, making mutations rare.

________ work with transposons was recognized when s/he received a Nobel Prize in 1983.

Changes in chromosome number and structure that ________ are important in the origin of new species (speciation).

Which statement correctly describes the arrangement of the nitrogenous bases in the double helix of DNA?

If the nucleotide sequence of DNA is T C C G A A, then the corresponding on mRNA is

The Central Dogma of Molecular Genetics is summarized in the following statement: ________.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters