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Question 16 Using the chart, which of the following point mutations

Question : Question 16 Using the chart, which of the following point mutations : 345269

Question 16

Using the chart, which of the following point mutations will cause the most harmful effect on an individual?

.912.l.15.15>

 

U

 

C

 

A

 

G

 

 

 

UUU

Phenylalanine

UCU

Serine

UAU

Tyrosine

UGU

Cysteine

U

U

UUC

Phenylalanine

UCC

Serine

UAC

Tyrosine

UGC

Cysteine

C

 

UUA

Leucine

UCA

Serine

UAA

Stop

UGA

Stop

A

 

UUG

Leucine

UCG

Serine

UAG

Stop

UGG

Tryptophan

G

 

CUU

Leucine

CCU

Proline

CAU

Hisitidine

CGU

Arginine

U

C

CUC

Leucine

CCC

Proline

CAC

Hisitidine

CGC

Arginine

C

 

CUA

Leucine

CCA

Proline

CAA

Glutamine

CGA

Arginine

A

 

CUG

Leucine

CCG

Proline

CAG

Glutamine

CGG

Arginine

G

 

AUU

Isoleucine

ACU

Threonine

AAU

Asparagine

AGU

Serine

U

A

AUC

Isoleucine

ACC

Threonine

AAC

Asparagine

AGC

Serine

C

 

AUA

Isoleucine

ACA

Threonine

AAA

Lysine

AGA

Arginine

A

 

AUG

Methionine/Start

ACG

Threonine

AAG

Lysine

AGG

Arginine

G

 

GUU

Valine

GCU

Alanine

GAU

Aspartate

GGU

Glycine

U

G

GUC

Valine

GCC

Alanine

GAC

Aspartate

GGC

Glycine

C

 

GUA

Valine

GCA

Alanine

GAA

Glutamate

GGA

Glycine

A

 

GUG

Valine

GCG

Alanine

GAG

Glutamate

GGG

Glycine

G

The sequence reads AUU; a change in the second base from U to C

The sequence reads CGA; a change in the first base from C to A

The sequence reads UGU; a change in the third base from U to A

The sequence reads UUA; a change in the first base from U to C and a change in the third base from A to G

Question 17

In a cell that is undergoing mitosis, sister chromatids have aligned along the cell's equator, and spindle fibers have attached to the centromeres of the sister chromatids. Which of the following processes will the cell enter next?.912.l.16.14>

Metaphase

Telophase

Anaphase

Prophase

Question 18

During meiosis, homologous sets of four chromatids are lined up along the cell's equator, attached to spindle fibers. Which of the following processes will happen next?.912.l.16.16>

Anaphase I

Telophase II

Prophase I

Metaphase II

Question 19

It is a recessive trait.

It is a dominant trait.

Individual 10 is homozygous for the trait.

Individual 10 is heterozygous for the trait.

Question 20

A plant breeder is trying to develop a deep purple violet. She knows the purple violets she has can be PP or Pp for the purple color. She crosses two purple violets hoping to produce a deeper color. Under what circumstances can she be sure that the resulting offspring will all be purple?.912.l.16.2>

Both parents must be PP.

Both parents must be Pp.

At least one parent must be Pp.

At least one parent must be PP.

Question 21

If a mutation occurs in a body cell and the mutation changes the phenotype of the individual, what will happen to the offspring of the individual?.912.l.16.4>

The offspring may or may not inherit the new phenotype.

The offspring will inherit neither the genotype nor the phenotype change.

The offspring will inherit the new phenotype.

The offspring will inherit the change in genotype but not the phenotype change.

Question 22

The human genome project has allowed for great progress in identifying genetic markers for disease. Which of the following would be considered an ethical misuse of this information?.912.l.16.10>

Providing guidance to the individual based on the genetic information collected

Sharing genetic information with an individual's designated medical professionals

Allowing scientists to add an individual's genetic information to a body of information about the disease

Using an individual's genetic information to decide who can be covered for health insurance

Question 23

In fruit flies, the allele for ebony body color is recessive to the allele for brown body color. In a generation of fruit flies with 103 offspring, 51 males and 52 females had ebony bodies. Which of the following is the best conclusion you can make about the parents of this generation?.912.l.16.1>

One parent was heterozygous for body color and the other was homozygous with a brown body.

One parent had an ebony body and the other was heterozygous for body color.

Both parents were heterozygous for body color.

Both parents were homozygous with ebony bodies.

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