Copy of CP Genetics Test (4/11/2024) - Katherine Burgess | Library

Required

1

Which genotype below is heterozygous?

aa

AA

Aaa

Aa

Required

1

An organism’s expressed physical trait, such as seed color, is called its:

Homozygous

Genotype

Phenotype

Gamete

Required

1

If the allele for green pea pod color (G) is dominant over the allele for yellow pea pod color (g), which of the following genotypes would a plant with yellow pods have?

None of these

Gg

GG

gg

Required

2

In corn plants, green (G) is dominant to yellow (g). What is the chance of two heterozygous corn plants producing yellow corn plants?

75%

50%

100%

Required

1

What information is revealed in the portion of the karyotype?

The individual displayed is a male with Down syndrome.

The individual displayed is a female with Down syndrome.

The individual displayed is a normal male.

The individual displayed is a normal female.

Required

1

Which of the following terms describes an organism that has the genotype Bb?

Homozygous

Heterozygous

Inbreed

All of the above

Required

1

Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called _____.

Alleles

Centromeres

Phenotypes

Gametes

Required

2

What is the genotype in the bottom left-hand quadrant in the Punnett square shown?

Ff

ff

FF

Required

1

A trait carried on the X or Y chromosome is said to be ________ inheritance.

Multiple allelic

Polygenic

Simple dominant

Sex-linked

Required

1

The alleles contained in _____, which are produced by each parent, are shown along the sides of a Punnett square.

Gametes

Hybrids

Zygotes

Offspring

Required

1

A useful device for predicting the possible offspring of crosses between different genotypes is the _____.

Offspring-predictor-machine

Punnett square

Law of dominance

Law of segregation

Required

1

Mendel's law of segregation states that during meiosis, the factors that control each trait separate and only _____ from each pair is/are passed to the offspring.

One factor

The dominant trait

Two factors

The recessive trait

Required

2

A couple (XX & XY) has two children, both of whom are boys (XY). What is the chance that their next child will be a boy?

125%

25%

0%

Required

1

The type of inheritance shown when a red-flowering plant is crossed with a white-flowering plant and only pink-flowering plants are produced is _____.

Codominance

Incomplete dominance

Inbreeding

Refer to this diagram to answer #15-19.

Required

2

If individual III-2 (XhY)marries a person with the same genotype as individual I-1 (XHXH), what is the chance that one of their children will be afflicted with hemophilia, if hemophilia is a recessive genetic disorder (XhXh/XhY)?

0%

Required

1

What type of inheritance pattern does the trait represented by the shaded symbols in the figure illustrate?

X-linked

Codominance

Incomplete dominance

Multiple alleles

Required

1

For the trait being followed in the pedigree, individuals II-1 and II-4 in the figure below can be classified as _____.

Mutants

Homozygous recessive

Homozygous dominant

Carriers

Required

1

What is the relationship between individual I-1 and individual III-2 in the figure below?

They play golf together occasionally.

Great aunt-nephew.

Grandmother-grandson.

Grandfather-granddaughter.

Required

2

An individual of genotype XBXB marries an individual whose genotype is XbY. What is the chance of the couple having a colorblind male if colorblindness is a recessive genetic disorder (XbXb/XbY)?

50%

Required

1

When red and yellow spotted beetles are mated, 1/4 of the offspring are red, 2/4 are red and yellow spotted, and 1/4 are yellow. This trait is one controlled by _____.

Multiple alleles

X-linked genes

Polygenic inheritance

Codominant alleles

Required

2

Two parents who have good health are surprised when their child is born with cystic fibrosis, an autosomal recessive disorder which affects the lungs and digestive system. What are the genotypes of the parents?

NN and nn

NN and Nn

Required

2

A man heterozygous for blood type A, marries a woman heterozygous for blood type B. The chance that their child will have type O blood is _____.

75%

50%

Required

1

What is the term for cells with two sets of chromosomes?

Monoploid

Triploid

Diploid

Haploid

Required

1

What process halves (1/2) the number of chromosomes in cells?

Mitosis

Replication

Meiosis

Fertilization

Required

1

What is the significance of crossing-over in meiosis?

Halts cell division

Forms identical cells

Increases genetic diversity

Decreases chromosome number

Required

1

What is shown in the image below?

anaphase I of meiosis

crossing over

replication

independent assortment 

Required

1

At the end of meiosis, there are

four haploid daughter cells.

two diploid daughter cells.

two haploid daughter cells

four diploid daughter cells.

Required

1

How many chromosomes are in a human gamete?

46

26

23

43

Required

1

An organism has 40 chromosomes in a body cell. After mitosis each cell has 40 chromosomes. After meiosis each gamete has ____________________ chromosomes.

Required

1

Which process increases genetic diversity?

Translation

Mitosis

Meiosis

Transcription

Required

1

How are cells created in mitosis different from those created in meiosis?

Mitosis creates genetically identical cells, while meiosis creates genetically unique cells

Mitosis only happens later in an organism's life, while meiosis takes place continually

Mitosis creates genetically unique cells, while meiosis creates genetically identical cells

Mitosis takes place only in reproductive organs, while meiosis takes place in all organs

Required

1

Which of the karyotypes shown is from a normal female?

A

D

B

C

Required

1

What type of mutation is shown in the image below?

Point mutation / Substitution

Frameshift / Insertion

Point mutation / Deletion

Frameshift / Deletion

Required

1

What type of mutation is shown in the image below?

Frameshift / Insertion

Point mutation / Deletion

Frameshift / Deletion

Point mutation / Substitution

Required

6

For each of the genotypes below determine what phenotypes would be possible.
Purple flowers (P) are dominant to white (p),  Brown eyes (B) are dominant to blue (b).
PP = __________ ; Pp = __________ ; pp = __________ ; BB = __________ ; Bb = __________ ; bb = __________