Question 1

A missing portion of a chromosome,such as the missing portion of the short arm of chromosome 5,in Cri-du-Chat Syndrome is known as:

Accepted Answer

A)  Deletion 
B)  Duplication 
C)  Hyperploidy 
D)  Polyploidy 
E)  Trisomy 
A)  Deletion 
B)  Duplication 
C)  Hyperploidy 
D)  Polyploidy 
E)  Trisomy

Question 2

Human diploid cells contain _____ chromosomes.

Accepted Answer

A)  12 
B)  24 
C)  46 
D)  92 
E)  23 
A)  12 
B)  24 
C)  46 
D)  92 
E)  23

Question 3

Cells with triplicate chromosomes are said to exhibit:

Accepted Answer

A)  Down syndrome 
B)  Trisomy 
C)  Autosomy 
D)  Triploidy 
E)  Polyploidy 
A)  Down syndrome 
B)  Trisomy 
C)  Autosomy 
D)  Triploidy 
E)  Polyploidy

Question 4

Base upon the karyotype in this question,tell what sex the individual is,if the karyotype is normal or abnormal,and if the karyotype shows an abnormality,explain what the abnormality is and what it means to the individual.

Accepted Answer

The karyotype shows a female with Down S

Question 5

Which of the following would be most likely to be sterile?

Accepted Answer

A)  Diploid organisms 
B)  Triploid organisms 
C)  Tetraploid organisms 
D)  All of these 
E)  None of these 
A)  Diploid organisms 
B)  Triploid organisms 
C)  Tetraploid organisms 
D)  All of these 
E)  None of these

Question 6

An organism that carries extra sets of chromosomes is termed:

Accepted Answer

A)  Aneuploid 
B)  Euploid 
C)  Polyploid 
D)  Diploid 
E)  Multiploid 
A)  Aneuploid 
B)  Euploid 
C)  Polyploid 
D)  Diploid 
E)  Multiploid

Question 7

Which of the following can cause a phenotypic change in an organism?

Accepted Answer

A)  Too many chromosomes 
B)  Too few chromosomes 
C)  Changes in part of a chromosome 
D)  Too many chromosomes and too few chromosomes 
E)  All of these 
A)  Too many chromosomes 
B)  Too few chromosomes 
C)  Changes in part of a chromosome 
D)  Too many chromosomes and too few chromosomes 
E)  All of these

Question 8

Chromosomal inversions may result in: 1.The chromosome segment being detached,flipped 180 degrees,and reattached to the existing chromosome portion
2)The order of the inverted segments gene's being reversed
3)The order of the inverted segments gene's being replaced with new genes

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  1 and 2 
E)  1 and 3 
A)  1 
B)  2 
C)  3 
D)  1 and 2 
E)  1 and 3

Question 9

A hexaploid,such as Triticum aestivum,could best be described as having:

Accepted Answer

A)  Three different chromosome sets each of which has been duplicated 
B)  Three different chromosome sets each of which has not been duplicated 
C)  Six different chromosome sets each of which has been duplicated 
D)  Sixteen different chromosome sets each of which has not been duplicated 
E)  Six identical chromosome sets each of which has been duplicated 
A)  Three different chromosome sets each of which has been duplicated 
B)  Three different chromosome sets each of which has not been duplicated 
C)  Six different chromosome sets each of which has been duplicated 
D)  Sixteen different chromosome sets each of which has not been duplicated 
E)  Six identical chromosome sets each of which has been duplicated

Question 10

The process that produces polyploid cells in certain cells during development,such as those in the kidney and the liver is known as:

Accepted Answer

A)  Aneuploidic interaction 
B)  Endomitosis 
C)  Exomitosis 
D)  Meiosis 
E)  Endomeiosis 
A)  Aneuploidic interaction 
B)  Endomitosis 
C)  Exomitosis 
D)  Meiosis 
E)  Endomeiosis

Question 11

Fertile tetraploids seem to have arisen by chromosome duplication in a hybrid that was produced by a cross of:

Accepted Answer

A)  Two different, but related, diploid species 
B)  Two identical diploid species 
C)  Four different bur related haploid species 
D)  Four identical diploid species 
E)  Four identical haploid species 
A)  Two different, but related, diploid species 
B)  Two identical diploid species 
C)  Four different bur related haploid species 
D)  Four identical diploid species 
E)  Four identical haploid species

Question 12

The analysis of stained chromosomes is the main activity of the discipline called:

Accepted Answer

A)  Cytology 
B)  Cytogenetics 
C)  Genetics 
D)  Embryology 
E)  Neonatology 
A)  Cytology 
B)  Cytogenetics 
C)  Genetics 
D)  Embryology 
E)  Neonatology

A missing portion of a chromosome,such as the missing portion of the short arm of chromosome 5,in Cri-du-Chat Syndrome is known as:

Human diploid cells contain _____ chromosomes.

Cells with triplicate chromosomes are said to exhibit:

Base upon the karyotype in this question,tell what sex the individual is,if the karyotype is normal or abnormal,and if the karyotype shows an abnormality,explain what the abnormality is and what it means to the individual.

Which of the following would be most likely to be sterile?

An organism that carries extra sets of chromosomes is termed:

Which of the following can cause a phenotypic change in an organism?

Chromosomal inversions may result in: 1.The chromosome segment being detached,flipped 180 degrees,and reattached to the existing chromosome portion 2)The order of the inverted segments gene's being reversed 3)The order of the inverted segments gene's being replaced with new genes

A hexaploid,such as Triticum aestivum,could best be described as having:

The process that produces polyploid cells in certain cells during development,such as those in the kidney and the liver is known as:

Fertile tetraploids seem to have arisen by chromosome duplication in a hybrid that was produced by a cross of:

The analysis of stained chromosomes is the main activity of the discipline called:

The Science Of Genetics

Cellular Reproduction

Mendelism The Basic Principles Of Inheritance

Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

Linkage,Crossing Over,And Chromosome Mapping In …

The Genetics Of Bacteria And Their Viruses

DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Translation And The Genetic Code

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

Inheritance Of Complex Traits

Population Genetics

Evolutionary Genetics

Filters

Exam 6: Variation In Chromosome Number And Structure

A missing portion of a chromosome,such as the missing portion of the short arm of chromosome 5,in Cri-du-Chat Syndrome is known as:

Human diploid cells contain _____ chromosomes.

Cells with triplicate chromosomes are said to exhibit:

Base upon the karyotype in this question,tell what sex the individual is,if the karyotype is normal or abnormal,and if the karyotype shows an abnormality,explain what the abnormality is and what it means to the individual.

Which of the following would be most likely to be sterile?

An organism that carries extra sets of chromosomes is termed:

Which of the following can cause a phenotypic change in an organism?

Chromosomal inversions may result in: 1.The chromosome segment being detached,flipped 180 degrees,and reattached to the existing chromosome portion 2)The order of the inverted segments gene's being reversed 3)The order of the inverted segments gene's being replaced with new genes

A hexaploid,such as Triticum aestivum,could best be described as having:

The process that produces polyploid cells in certain cells during development,such as those in the kidney and the liver is known as:

Fertile tetraploids seem to have arisen by chromosome duplication in a hybrid that was produced by a cross of:

The analysis of stained chromosomes is the main activity of the discipline called:

The Science Of Genetics

Cellular Reproduction

Mendelism The Basic Principles Of Inheritance

Extensions Of Mendelism

The Chromosomal Basis Of Mendelism

Linkage,Crossing Over,And Chromosome Mapping In …

The Genetics Of Bacteria And Their Viruses

DNA And The Molecular Structure Of Chromosomes

Replication Of DNA And Chromosomes

Transcription And RNA Processing

Translation And The Genetic Code

Mutation,DNA Repair,And Recombination

The Techniques Of Molecular Genetics

Genomics

Applications Of Molecular Genetics

Transposable Genetics Elements

Regulation Of Gene Expression In Prokaryotes

Regulation Of Gene Expression In Eukaryotes

The Genetic Control Of Animal Development

The Genetic Basis Of Cancer

Inheritance Of Complex Traits

Population Genetics

Evolutionary Genetics

Filters