Question 1

In sesame plants,the one pod condition (P)is dominant to the three-pod condition (p).A cross between PP and Pp would result in a 1:1 ratio of one pod to three in the offspring.

Accepted Answer

A) True 
 B)False

Question 2

In a cross between a heterozygous smooth-seeded (Ss)plant and a homozygous wrinkled-seeded (ss)plant,what would be the expected phenotypes of the offspring?

Accepted Answer

A) all smooth 
B) all wrinkled 
C) 3/4 smooth:1/4 wrinkled 
D) half smooth: half wrinkled 
E) The answer cannot be determined from the information given. 
A) all smooth 
B) all wrinkled 
C) 3/4 smooth:1/4 wrinkled 
D) half smooth: half wrinkled 
E) The answer cannot be determined from the information given.

Question 3

A protein composed of 50 amino acids would be coded for by the exon of a gene that is ________ bases long.

Accepted Answer

The answer of A protein composed of 50 amino acids...

Question 4

________ and ________ described the structure of the DNA molecule.

Accepted Answer

The answer of ________ and ________ described the structure of...

Question 5

________ enzymes cut the DNA molecule at specific base sequences.

Accepted Answer

The answer of ________ enzymes cut the DNA molecule at...

Question 6

In Mendel's work with peas,an F1 hybrid (smooth yellow)was crossed to the recessive (wrinkled green)parent type.In terms of color,what were the frequencies of the phenotypes in the offspring of this cross?

Accepted Answer

A) all green 
B) all yellow 
C) 1/2 green and 1/2 yellow 
D) 3/4 yellow and 1/4 green 
E) none of the above 
A) all green 
B) all yellow 
C) 1/2 green and 1/2 yellow 
D) 3/4 yellow and 1/4 green 
E) none of the above

Question 7

In a cross between a pure breeding tall plant (dominant)and a pure breeding dwarf plant (recessive)the expected genotypes of the offspring will be which of the following?

Accepted Answer

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

Question 8

The introduction of genes from one organism into another is called ________ technology.

Accepted Answer

A) restriction DNA 
B) somatic cell cloning 
C) germ cell 
D) recombinant DNA 
E) plasmid restructuring 
A) restriction DNA 
B) somatic cell cloning 
C) germ cell 
D) recombinant DNA 
E) plasmid restructuring

Question 9

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 phenotypes of the F2 generation?

Accepted Answer

A) all purple flowering pea plants 
B) 1/2 purple flowering pea plants;1/2 white 
C) all white flowering pea plants 
D) 3/4 purple flowering pea plants;1/4 white 
E) 1/4 purple flowering pea plants;3/4 white 
A) all purple flowering pea plants 
B) 1/2 purple flowering pea plants;1/2 white 
C) all white flowering pea plants 
D) 3/4 purple flowering pea plants;1/4 white 
E) 1/4 purple flowering pea plants;3/4 white

Question 10

________ is the molecule that carries genetic information from the DNA to the ribosomes.

Accepted Answer

The answer of ________ is the molecule that carries genetic...

Question 11

If a portion of a DNA molecule being transcribed is ATCCGATGA,then the complementary portion of mRNA would read as follows:

Accepted Answer

A) ATCCGATGA 
B) TAGGCTACT 
C) UAGGCUACU 
D) AUCCGAUGA 
E) GCAATGCAG 
A) ATCCGATGA 
B) TAGGCTACT 
C) UAGGCUACU 
D) AUCCGAUGA 
E) GCAATGCAG

Question 12

According to Mendel's Principle of ________ a pair of alleles separate from each other during the formation of gametes.

Accepted Answer

The answer of According to Mendel's Principle of ________ a...

Question 13

If a segment of DNA read CATGAGACT,the complementary transcribed sequence would read:

Accepted Answer

A) CATGAGACT 
B) GTACTCTGA 
C) CAUGAGACU 
D) GUACUCUGA 
E) None of the above are correct. 
A) CATGAGACT 
B) GTACTCTGA 
C) CAUGAGACU 
D) GUACUCUGA 
E) None of the above are correct.

Question 14

Using bacterial ________,researchers are able to insert new genes into eukaryote cells to produce proteins of interest.

Accepted Answer

A) mRNA 
B) plasmids 
C) sex chromosomes 
D) ribosomes 
E) cell membranes 
A) mRNA 
B) plasmids 
C) sex chromosomes 
D) ribosomes 
E) cell membranes

Question 15

Which of the following is involved with gene silencing?

Accepted Answer

A) mRNA 
B) miRNA 
C) tRNA 
D) rRNA 
E) None of the above are correct. 
A) mRNA 
B) miRNA 
C) tRNA 
D) rRNA 
E) None of the above are correct.

Question 16

Translation results in the formation of mRNA as a complimentary copy of DNA.

Accepted Answer

A) True 
 B)False

Exam 7: Genetics

In sesame plants,the one pod condition (P)is dominant to the three-pod condition (p).A cross between PP and Pp would result in a 1:1 ratio of one pod to three in the offspring.

In a cross between a heterozygous smooth-seeded (Ss)plant and a homozygous wrinkled-seeded (ss)plant,what would be the expected phenotypes of the offspring?

A protein composed of 50 amino acids would be coded for by the exon of a gene that is ________ bases long.

________ and ________ described the structure of the DNA molecule.

________ enzymes cut the DNA molecule at specific base sequences.

In Mendel's work with peas,an F1 hybrid (smooth yellow)was crossed to the recessive (wrinkled green)parent type.In terms of color,what were the frequencies of the phenotypes in the offspring of this cross?

In a cross between a pure breeding tall plant (dominant)and a pure breeding dwarf plant (recessive)the expected genotypes of the offspring will be which of the following?

The introduction of genes from one organism into another is called ________ technology.

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 phenotypes of the F2 generation?

________ is the molecule that carries genetic information from the DNA to the ribosomes.

If a portion of a DNA molecule being transcribed is ATCCGATGA,then the complementary portion of mRNA would read as follows:

According to Mendel's Principle of ________ a pair of alleles separate from each other during the formation of gametes.

If a segment of DNA read CATGAGACT,the complementary transcribed sequence would read:

Using bacterial ________,researchers are able to insert new genes into eukaryote cells to produce proteins of interest.

Which of the following is involved with gene silencing?

Translation results in the formation of mRNA as a complimentary copy of DNA.

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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and described the structure of the DNA molecule.

In Mendel's work with peas,an F₁ hybrid (smooth yellow)was crossed to the recessive (wrinkled green)parent type.In terms of color,what were the frequencies of the phenotypes in the offspring of this cross?

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 phenotypes of the F₂ generation?