Question 1

The following F₁ cross is made: BBGg × Bbgg.Which is not a possible outcome in the F₂ generation?

Accepted Answer

A) BbGg 
B) BbGG 
C) BBgg 
D) BBGg 
A) BbGg 
B) BbGG 
C) BBgg 
D) BBGg B

Question 2

A single,continuous molecule of DNA plus its associated proteins is called a ________.

Accepted Answer

A) centromere 
B) gene 
C) chromosome 
D) genome 
A) centromere 
B) gene 
C) chromosome 
D) genome C

Question 3

Recessive disorders related to genes found on the X chromosome but not on the Y are more common in ________.

Accepted Answer

A) children 
B) adults 
C) females 
D) males 
A) children 
B) adults 
C) females 
D) males C

Question 4

By what means does a zygote divide?

Accepted Answer

A) Syngamy 
B) Binary fission 
C) Meiosis 
D) Mitosis 
A) Syngamy 
B) Binary fission 
C) Meiosis 
D) Mitosis

Question 5

Human white blood cells are often multinucleated.How many chromosomes would be present in a white blood cell with two nuclei?

Accepted Answer

A) 46 
B) 92 
C) 184 
D) It varies depending on gender. 
A) 46 
B) 92 
C) 184 
D) It varies depending on gender.

Question 6

When does crossing over occur?

Accepted Answer

A) Cytokinesis I 
B) Cytokinesis II 
C) Meiosis I 
D) Meiosis II 
A) Cytokinesis I 
B) Cytokinesis II 
C) Meiosis I 
D) Meiosis II

Question 7

Would a human clone have a bellybutton?

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Question 8

Genes located near one another on the same chromosome are often inherited together.These are called ________.

Accepted Answer

A) nonsegregated genes 
B) joined genes 
C) fused genes 
D) linked genes 
A) nonsegregated genes 
B) joined genes 
C) fused genes 
D) linked genes

Question 9

Of the choices listed,which is the best indicator of the complexity of the organism?

Accepted Answer

A) Ploidy number 
B) Number of chromosomes 
C) Number of genes 
D) Number of homologs 
A) Ploidy number 
B) Number of chromosomes 
C) Number of genes 
D) Number of homologs

Question 10

What produces four daughter cells?

Accepted Answer

A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these 
A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these

Question 11

What type of cells undergo mitosis?

Accepted Answer

A) Bacterial cells 
B) Gametes 
C) Both of these 
D) Neither of these 
A) Bacterial cells 
B) Gametes 
C) Both of these 
D) Neither of these

Question 12

How much of your DNA is identical to that of another person of the same sex?

Accepted Answer

A) 99.9% 
B) 99.5% 
C) 90% 
D) 78% 
A) 99.9% 
B) 99.5% 
C) 90% 
D) 78%

Question 13

What is Deirdre's phenotype?

Accepted Answer

A) nn 
B) Albino 
C) Normal 
D) Cannot be determined 
A) nn 
B) Albino 
C) Normal 
D) Cannot be determined

Question 14

Which type of gene expression typically generates a continuum (spectrum)of varying phenotypes?

Accepted Answer

A) Pleiotropy 
B) Polygenic 
C) Epistasis 
D) Single-gene traits 
A) Pleiotropy 
B) Polygenic 
C) Epistasis 
D) Single-gene traits

Question 15

Many viruses use RNA,not DNA,as their genetic material.Is the statement "All life on Earth uses DNA as the genetic material" still accurate?

Accepted Answer

A) Yes,RNA and DNA are two terms used to describe the same thing. 
B) Yes,viruses are not considered living things. 
C) Yes,viruses use their RNA to make DNA when needed for division. 
D) No,living viruses without DNA contradict the statement. 
A) Yes,RNA and DNA are two terms used to describe the same thing. 
B) Yes,viruses are not considered living things. 
C) Yes,viruses use their RNA to make DNA when needed for division. 
D) No,living viruses without DNA contradict the statement.

Question 16

If a human diploid cell and a human haploid cell somehow managed to fuse together and not lose any of the chromosomes,how many sets of chromosomes would be inside the newly formed cell?

Accepted Answer

A) 3 
B) 2)5 
C) 2 
D) 1)5 
A) 3 
B) 2)5 
C) 2 
D) 1)5

Question 17

What is the name of the syndrome that produces the XXY combination of sex chromosomes?

Accepted Answer

A) Jacob's syndrome 
B) Down syndrome 
C) Klinefelter syndrome 
D) Turner syndrome 
A) Jacob's syndrome 
B) Down syndrome 
C) Klinefelter syndrome 
D) Turner syndrome

Question 18

What begins with a haploid cell?

Accepted Answer

A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these 
A) Meiosis 
B) Mitosis 
C) Both of these 
D) Neither of these

Question 19

Somatic cells are ________.

Accepted Answer

A) haploid (n) 
B) haploid (2n) 
C) diploid (n) 
D) diploid (2n) 
A) haploid (n) 
B) haploid (2n) 
C) diploid (n) 
D) diploid (2n)

Question 20

Name the part of the chromosome indicated by the arrow.

Accepted Answer

A) Sister chromatid 
B) Gene 
C) Centromere 
D) Mitotic spindle 
A) Sister chromatid 
B) Gene 
C) Centromere 
D) Mitotic spindle

The following F₁ cross is made: BBGg × Bbgg.Which is not a possible outcome in the F₂ generation?

A single,continuous molecule of DNA plus its associated proteins is called a ________.

Recessive disorders related to genes found on the X chromosome but not on the Y are more common in ________.

By what means does a zygote divide?

Human white blood cells are often multinucleated.How many chromosomes would be present in a white blood cell with two nuclei?

When does crossing over occur?

Would a human clone have a bellybutton?

Genes located near one another on the same chromosome are often inherited together.These are called ________.

Of the choices listed,which is the best indicator of the complexity of the organism?

What produces four daughter cells?

What type of cells undergo mitosis?

How much of your DNA is identical to that of another person of the same sex?

What is Deirdre's phenotype?

Which type of gene expression typically generates a continuum (spectrum)of varying phenotypes?

Many viruses use RNA,not DNA,as their genetic material.Is the statement "All life on Earth uses DNA as the genetic material" still accurate?

If a human diploid cell and a human haploid cell somehow managed to fuse together and not lose any of the chromosomes,how many sets of chromosomes would be inside the newly formed cell?

What is the name of the syndrome that produces the XXY combination of sex chromosomes?

What begins with a haploid cell?

Somatic cells are ________.

Name the part of the chromosome indicated by the arrow.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 5: Chromosomes and Inheritance

The following F₁ cross is made: BBGg × Bbgg.Which is not a possible outcome in the F₂ generation?

A single,continuous molecule of DNA plus its associated proteins is called a ________.

Recessive disorders related to genes found on the X chromosome but not on the Y are more common in ________.

By what means does a zygote divide?

Human white blood cells are often multinucleated.How many chromosomes would be present in a white blood cell with two nuclei?

When does crossing over occur?

Would a human clone have a bellybutton?

Genes located near one another on the same chromosome are often inherited together.These are called ________.

Of the choices listed,which is the best indicator of the complexity of the organism?

What produces four daughter cells?

What type of cells undergo mitosis?

How much of your DNA is identical to that of another person of the same sex?

What is Deirdre's phenotype?

Which type of gene expression typically generates a continuum (spectrum)of varying phenotypes?

Many viruses use RNA,not DNA,as their genetic material.Is the statement "All life on Earth uses DNA as the genetic material" still accurate?

If a human diploid cell and a human haploid cell somehow managed to fuse together and not lose any of the chromosomes,how many sets of chromosomes would be inside the newly formed cell?

What is the name of the syndrome that produces the XXY combination of sex chromosomes?

What begins with a haploid cell?

Somatic cells are ________.

Name the part of the chromosome indicated by the arrow.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters