Question 1

Two alleles of the same gene ________.

Accepted Answer

A)  are always different 
B)  are always the same 
C)  can be the same or can be different 
D)  originate from the same parent 
A)  are always different 
B)  are always the same 
C)  can be the same or can be different 
D)  originate from the same parent

Question 2

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 3

Assuming complete dominance,what is the expected ratio of genotypes of the offspring following the cross of two heterozygotes?

Accepted Answer

A)  4:1 
B)  1:1 
C)  3:1 
D)  1:2:1 
A)  4:1 
B)  1:1 
C)  3:1 
D)  1:2:1

Question 4

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

Accepted Answer

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

Question 5

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

Question 6

A test cross is performed to determine if a specific individual is a carrier.The results generate a 50/50 ratio of phenotypes.The test subject is therefore ________.

Accepted Answer

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

Two alleles of the same gene ________.

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?

Assuming complete dominance,what is the expected ratio of genotypes of the offspring following the cross of two heterozygotes?

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

Name the part of the chromosome indicated by the arrow.

A test cross is performed to determine if a specific individual is a carrier.The results generate a 50/50 ratio of phenotypes.The test subject is therefore ________.

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

Two alleles of the same gene ________.

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?

Assuming complete dominance,what is the expected ratio of genotypes of the offspring following the cross of two heterozygotes?

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

Name the part of the chromosome indicated by the arrow.

A test cross is performed to determine if a specific individual is a carrier.The results generate a 50/50 ratio of phenotypes.The test subject is therefore ________.

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