Question 1

If you cross two pea plants,one with green peas and the other with yellow peas.All of the offspring have yellow peas.You conclude:

Accepted Answer

A) Green is dominant over yellow 
B) Yellow and green are co-dominant 
C) Yellow is incompletely dominant over green 
D) Yellow is dominant over green 
E) Color is random in pea plants 
A) Green is dominant over yellow 
B) Yellow and green are co-dominant 
C) Yellow is incompletely dominant over green 
D) Yellow is dominant over green 
E) Color is random in pea plants

Question 2

When the frequencies of all the phenotypes associated with a polygenic trait are plotted on a graph,they form a characteristic bell-shaped curve.

Accepted Answer

A) True 
 B)False

Question 3

When Mendel crossed tall (Tt)plants with tall plants the offspring:

Accepted Answer

A) Did not grow and reproduce 
B) Were always short 
C) Were always tall 
D) Were always a mix of short and tall 
E) Were sometimes tall, and sometimes a mix of tall and short 
A) Did not grow and reproduce 
B) Were always short 
C) Were always tall 
D) Were always a mix of short and tall 
E) Were sometimes tall, and sometimes a mix of tall and short

Question 4

Figure 10.28  
-In Figure 10.28,the F2 generation is shown in the graphs at the bottom of the figure.The cluster of bollworms at lower larva weights would have which genotype?

Accepted Answer

A) RR 
B) rr 
C) Rr or RR 
D) Rr 
E) Rr or rr 
A) RR 
B) rr 
C) Rr or RR 
D) Rr 
E) Rr or rr

Question 5

Which gametes can a RRyy plant produce?

Accepted Answer

A) RR or yy 
B) Ry 
C) RY or ry 
D) RRyy 
E) R or y 
A) RR or yy 
B) Ry 
C) RY or ry 
D) RRyy 
E) R or y

Question 6

Diagrams depicting family relationships and phenotypes for a genetic disorder are:

Accepted Answer

A) Linkage maps 
B) Pedigree charts 
C) Karyotypes 
D) Punnett squares 
E) Bell-shaped curves 
A) Linkage maps 
B) Pedigree charts 
C) Karyotypes 
D) Punnett squares 
E) Bell-shaped curves

Question 7

When a farmer grows cotton containing the gene for Bt toxin,they often leave a strip of non-Bt cotton around the outside of the field (Figure 10.27)for what reason?

Accepted Answer

A) To allow some rr bollworm caterpillars to survive 
B) Because the non-Bt cotton grows better 
C) To allow some RR bollworm caterpillars to survive 
D) Because the non-Bt cotton does not drive the moths and caterpillars to extinction 
E) To allow the non-Bt and Bt cotton plants to cross pollinate 
A) To allow some rr bollworm caterpillars to survive 
B) Because the non-Bt cotton grows better 
C) To allow some RR bollworm caterpillars to survive 
D) Because the non-Bt cotton does not drive the moths and caterpillars to extinction 
E) To allow the non-Bt and Bt cotton plants to cross pollinate

Question 8

For the traits Mendel studied one allele is completely dominant and the other is completely recessive.

Accepted Answer

A) True 
 B)False

Question 9

In the ABO blood type system the alleles IA,IB and i produce:

Accepted Answer

A) Three phenotypes 
B) Two phenotypes 
C) One phenotype 
D) Four phenotypes 
E) Type A and type B blood types only 
A) Three phenotypes 
B) Two phenotypes 
C) One phenotype 
D) Four phenotypes 
E) Type A and type B blood types only

Question 10

A pea plant with (Tt)as its genotype should be referred to as:

Accepted Answer

A) The wild type 
B) Homozygous short 
C) Heterozygous tall 
D) Homozygous tall 
E) Heterozygous short 
A) The wild type 
B) Homozygous short 
C) Heterozygous tall 
D) Homozygous tall 
E) Heterozygous short

Question 11

If an individual is homozygous for a particular trait:

Accepted Answer

A) Each parent contributed a different allele for that trait 
B) One parent contributed two different alleles for that trait 
C) Each parent contributed the same allele for that trait 
D) One parent contributed two copies of the same allele for that trait 
A) Each parent contributed a different allele for that trait 
B) One parent contributed two different alleles for that trait 
C) Each parent contributed the same allele for that trait 
D) One parent contributed two copies of the same allele for that trait

Question 12

Hemophilia A is caused by:

Accepted Answer

A) An X-linked recessive disorder causing a defective blood clotting protein 
B) An X-linked recessive disorder 
C) A defective blood clotting protein 
D) An X-linked dominant disorder causing a defective blood clotting protein 
E) An X-linked dominant disorder 
A) An X-linked recessive disorder causing a defective blood clotting protein 
B) An X-linked recessive disorder 
C) A defective blood clotting protein 
D) An X-linked dominant disorder causing a defective blood clotting protein 
E) An X-linked dominant disorder

Question 13

When Mendel crossed short (tt)pea plants with short pea plants the offspring:

Accepted Answer

A) Were all tall 
B) Were a mix of tall and short 
C) Were nonexistent 
D) None of these are correct 
E) Were all short 
A) Were all tall 
B) Were a mix of tall and short 
C) Were nonexistent 
D) None of these are correct 
E) Were all short

Question 14

A portion of DNA that encodes a specific protein is:

Accepted Answer

A) A gene 
B) A chromosome 
C) A chromatid 
D) A centromere 
E) A kinetochore 
A) A gene 
B) A chromosome 
C) A chromatid 
D) A centromere 
E) A kinetochore

Question 15

If a pea plant is heterozygous for yellow seeds (Yy),which gametes could it produce?

Accepted Answer

A) Y 
B) y 
C) Yy 
D) YYyy 
E) Y or y 
A) Y 
B) y 
C) Yy 
D) YYyy 
E) Y or y

Question 16

Which gametes can a RrYy plant produce?

Accepted Answer

A) Rr or Yy 
B) RY or ry 
C) RrYy 
D) RY, Ry, rY, or ry 
E) R or r 
A) Rr or Yy 
B) RY or ry 
C) RrYy 
D) RY, Ry, rY, or ry 
E) R or r

Question 17

The pea plant (Pisum sativum)is a good choice for studying heredity because it:

Accepted Answer

A) Develops slowly 
B) Produces only a few offspring 
C) Is easy to control which plants mate with each other 
D) Has only a few traits that appear in two easily distinguishable forms 
E) All are correct 
A) Develops slowly 
B) Produces only a few offspring 
C) Is easy to control which plants mate with each other 
D) Has only a few traits that appear in two easily distinguishable forms 
E) All are correct

Question 18

A size ordered chart of the chromosomes of a fetus is:

Accepted Answer

A) Used to detect errors in meiosis 
B) A karyotype 
C) Used to detect chromosomal abnormalities in a developing fetus 
D) All are correct 
E) Used to detect Down syndrome 
A) Used to detect errors in meiosis 
B) A karyotype 
C) Used to detect chromosomal abnormalities in a developing fetus 
D) All are correct 
E) Used to detect Down syndrome

Question 19

To inherit an autosomal dominant disorder a person could receive the disease causing allele from:

Accepted Answer

A) The father only, not the mother 
B) The mother only, not the father 
C) The mother or the father 
D) The parent who does not exhibit the disease 
E) All are correct 
A) The father only, not the mother 
B) The mother only, not the father 
C) The mother or the father 
D) The parent who does not exhibit the disease 
E) All are correct

Question 20

Gametes may carry different combinations of alleles because of:

Accepted Answer

A) Random fertilization 
B) Random fertilization and crossing over 
C) Random alignment of chromosomes 
D) Crossing over and random alignment of chromosomes 
E) Random fertilization and alignment of chromosomes 
A) Random fertilization 
B) Random fertilization and crossing over 
C) Random alignment of chromosomes 
D) Crossing over and random alignment of chromosomes 
E) Random fertilization and alignment of chromosomes

Exam 10: Patterns of Inheritance

If you cross two pea plants,one with green peas and the other with yellow peas.All of the offspring have yellow peas.You conclude:

When the frequencies of all the phenotypes associated with a polygenic trait are plotted on a graph,they form a characteristic bell-shaped curve.

When Mendel crossed tall (Tt)plants with tall plants the offspring:

Figure 10.28 -In Figure 10.28,the F2 generation is shown in the graphs at the bottom of the figure.The cluster of bollworms at lower larva weights would have which genotype?

Which gametes can a RRyy plant produce?

Diagrams depicting family relationships and phenotypes for a genetic disorder are:

When a farmer grows cotton containing the gene for Bt toxin,they often leave a strip of non-Bt cotton around the outside of the field (Figure 10.27)for what reason?

For the traits Mendel studied one allele is completely dominant and the other is completely recessive.

In the ABO blood type system the alleles IA,IB and i produce:

A pea plant with (Tt)as its genotype should be referred to as:

If an individual is homozygous for a particular trait:

Hemophilia A is caused by:

When Mendel crossed short (tt)pea plants with short pea plants the offspring:

A portion of DNA that encodes a specific protein is:

If a pea plant is heterozygous for yellow seeds (Yy),which gametes could it produce?

Which gametes can a RrYy plant produce?

The pea plant (Pisum sativum)is a good choice for studying heredity because it:

A size ordered chart of the chromosomes of a fetus is:

To inherit an autosomal dominant disorder a person could receive the disease causing allele from:

Gametes may carry different combinations of alleles because of:

What Is Life

The Chemistry of Life

The Dynamic Cell

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Dna Replication, mitosis and the Cell Cycle

Sexual Reproduction and Meiosis

The Forces of Evolutionary Change

Evidence for Evolution

Speciation and Extinction

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues, organ Systems and Homeostasis

The Nervous System

The Senses Content

The Endocrine System

The Musculoskeletal System

The Circulatory System

The Respiratory System

Digestion and Animal Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Populations

Communities and Ecosystems

The Biosphere

Conserving Biodiversity

Filters

In the ABO blood type system the alleles I^A,I^B and i produce: