Question 1

SNPs are locations in human DNA in which a single nucleotide base differs among individuals.

Accepted Answer

A) True 
 B)False

Question 2

Phenotype indicates the genetic makeup of an organism.

Accepted Answer

A) True 
 B)False

Question 3

The codon,AUG,is a start codon that also codes for the amino acid,

Accepted Answer

A) valine. 
B) phenylalanine. 
C) cysteine. 
D) methionine. 
E) leucine. 
A) valine. 
B) phenylalanine. 
C) cysteine. 
D) methionine. 
E) leucine.

Question 4

If genes are on the same chromosome they will be inherited together;this condition is called ________.

Accepted Answer

The answer of If genes are on the same chromosome...

Question 5

What trait did the parent pea plants have that made Mendel's experiments possible?

Accepted Answer

A) They were self-pollinating. 
B) They were all homozygous dominant. 
C) They were all homozygous recessive. 
D) They were all heterozygous. 
E) More than one of these traits made Mendel's experiments possible. 
A) They were self-pollinating. 
B) They were all homozygous dominant. 
C) They were all homozygous recessive. 
D) They were all heterozygous. 
E) More than one of these traits made Mendel's experiments possible.

Question 6

Portions of the mRNA molecule that are removed before translation are known as ________.

Accepted Answer

The answer of Portions of the mRNA molecule that are...

Question 7

What was the immediate fate of Mendel's 1865 publication of his pea plant experiments?

Accepted Answer

A) He received universal praise and the science of genetics was born. 
B) It was immediately condemned as anti-religious and banned by the Catholic Church. 
C) He was accused of fraud and fudging his data. 
D) It was mostly ignored for over 30 years. 
E) It was likely read carefully by Charles Darwin,because it reinforced his belief in "blending" inheritance. 
A) He received universal praise and the science of genetics was born. 
B) It was immediately condemned as anti-religious and banned by the Catholic Church. 
C) He was accused of fraud and fudging his data. 
D) It was mostly ignored for over 30 years. 
E) It was likely read carefully by Charles Darwin,because it reinforced his belief in "blending" inheritance.

Question 8

The anticodon is a series of three bases on the mRNA molecule that pairs with the complementary codon of tRNA.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following molecules serves as the "blueprint" for protein synthesis?

Accepted Answer

A) rRNA 
B) tRNA 
C) mRNA 
D) RNA polymerase 
E) All of these molecules are found in all aspects of protein synthesis. 
A) rRNA 
B) tRNA 
C) mRNA 
D) RNA polymerase 
E) All of these molecules are found in all aspects of protein synthesis.

Question 10

A pea plant received a dominant allele for flower color from one of its parents and a dominant allele for flower color from its other parent.The phenotype of this pea plant is which of the following?

Accepted Answer

A) homozygous recessive 
B) heterozygous 
C) homozygous dominant 
D) undetermined 
E) Not enough information is given to determine the phenotype. 
A) homozygous recessive 
B) heterozygous 
C) homozygous dominant 
D) undetermined 
E) Not enough information is given to determine the phenotype.

Question 11

The result of polygenic inheritance is typically which of the following?

Accepted Answer

A) continuous variation of a trait,such as height,around a mean. 
B) all heterozygous genotypes. 
C) phenotypes that are distinct from each other. 
D) novel phenotypic variations. 
E) All of the above are correct. 
A) continuous variation of a trait,such as height,around a mean. 
B) all heterozygous genotypes. 
C) phenotypes that are distinct from each other. 
D) novel phenotypic variations. 
E) All of the above are correct.

Question 12

Which of the following is correct?

Accepted Answer

A) Plant genomes are usually larger and more complicated than those of many animals. 
B) The wild mustard has more genes than any animal species. 
C) A number of genes are identical in both plants and animals. 
D) Comparative plant genomics are increasing every year. 
E) All of the above are correct. 
A) Plant genomes are usually larger and more complicated than those of many animals. 
B) The wild mustard has more genes than any animal species. 
C) A number of genes are identical in both plants and animals. 
D) Comparative plant genomics are increasing every year. 
E) All of the above are correct.

Question 13

A cross between a brown chicken and a white chicken results in chicks that are speckled brown and white.This is an example of which of the following?

Accepted Answer

A) complete dominance 
B) incomplete dominance 
C) codominance 
D) polygenic inheritance 
E) linkage 
A) complete dominance 
B) incomplete dominance 
C) codominance 
D) polygenic inheritance 
E) linkage

Question 14

Insertion and deletion mutations both can cause which of the following?

Accepted Answer

A) point mutations. 
B) somatic mutations. 
C) frame-shift mutations. 
D) All of the above are correct. 
E) None of the above are correct. 
A) point mutations. 
B) somatic mutations. 
C) frame-shift mutations. 
D) All of the above are correct. 
E) None of the above are correct.

Question 15

Ribosomal RNA joins with a number of proteins to form ribosomes.

Accepted Answer

A) True 
 B)False

Question 16

In Mendelian genetic crosses,a(n)________ allele is only expressed in the homozygous condition.

Accepted Answer

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

Question 17

If both alleles of a gene are expressed in the heterozygote,the condition is called ________.

Accepted Answer

The answer of If both alleles of a gene are...

Question 18

A pea plant received a dominant allele for flower color from one of its parents and a dominant allele for flower color from its other parent.The genotype of this pea plant is classified as which of the following?

Accepted Answer

A) homozygous recessive 
B) heterozygous 
C) homozygous dominant 
D) undetermined 
E) hemizygous recessive 
A) homozygous recessive 
B) heterozygous 
C) homozygous dominant 
D) undetermined 
E) hemizygous recessive

Question 19

Eukaryotic mRNA is translated with the aid of which organelle?

Accepted Answer

A) the nucleus 
B) the Golgi 
C) the ribosome 
D) the smooth endoplasmic reticulum 
E) None of the above are correct. 
A) the nucleus 
B) the Golgi 
C) the ribosome 
D) the smooth endoplasmic reticulum 
E) None of the above are correct.

Question 20

In pea plants,purple flower color is dominant to white flower color.If in the P generation,a pure-breeding white flowering pea plant is crossed with a pure-breeding purple flowering pea plant,what will be the expected genotypes of the F2 generation?

Accepted Answer

A) all homozygous dominant 
B) 1/2 homozygous dominant;1/2 homozygous recessive 
C) all homozygous recessive 
D) 3/4 homozygous dominant;1/4 homozygous recessive 
E) 1/4 homozygous dominant;1/2 heterozygous;1/4 homozygous recessive 
A) all homozygous dominant 
B) 1/2 homozygous dominant;1/2 homozygous recessive 
C) all homozygous recessive 
D) 3/4 homozygous dominant;1/4 homozygous recessive 
E) 1/4 homozygous dominant;1/2 heterozygous;1/4 homozygous recessive

Exam 7: Genetics

SNPs are locations in human DNA in which a single nucleotide base differs among individuals.

Phenotype indicates the genetic makeup of an organism.

The codon,AUG,is a start codon that also codes for the amino acid,

If genes are on the same chromosome they will be inherited together;this condition is called ________.

What trait did the parent pea plants have that made Mendel's experiments possible?

Portions of the mRNA molecule that are removed before translation are known as ________.

What was the immediate fate of Mendel's 1865 publication of his pea plant experiments?

The anticodon is a series of three bases on the mRNA molecule that pairs with the complementary codon of tRNA.

Which of the following molecules serves as the "blueprint" for protein synthesis?

A pea plant received a dominant allele for flower color from one of its parents and a dominant allele for flower color from its other parent.The phenotype of this pea plant is which of the following?

The result of polygenic inheritance is typically which of the following?

Which of the following is correct?

A cross between a brown chicken and a white chicken results in chicks that are speckled brown and white.This is an example of which of the following?

Insertion and deletion mutations both can cause which of the following?

Ribosomal RNA joins with a number of proteins to form ribosomes.

In Mendelian genetic crosses,a(n)________ allele is only expressed in the homozygous condition.

If both alleles of a gene are expressed in the heterozygote,the condition is called ________.

A pea plant received a dominant allele for flower color from one of its parents and a dominant allele for flower color from its other parent.The genotype of this pea plant is classified as which of the following?

Eukaryotic mRNA is translated with the aid of which organelle?

In pea plants,purple flower color is dominant to white flower color.If in the P generation,a pure-breeding white flowering pea plant is crossed with a pure-breeding purple flowering pea plant,what will be the expected genotypes of the F2 generation?

Plants in Our Lives

The Plant Cell

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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In pea plants,purple flower color is dominant to white flower color.If in the P generation,a pure-breeding white flowering pea plant is crossed with a pure-breeding purple flowering pea plant,what will be the expected genotypes of the F₂ generation?