Transcript Who Wants to Pass Genetics?

Who Wants to Pass Genetics?
Chapter 11
Which is a dominant genetic disorder?
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A.
B.
C.
D.
Hemophilia
Galactosemia
Albinism
Achondroplasia
Why is Down’s Syndrome called
trisomy 21?
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A. The syndrome results from an
extra chromosome 21
B. The syndrome is caused by
having 21 pairs of autosomes
C. The person has an abnormal
gene on chromosome 21
D. The person has 21 pairs of
chromosomes instead of 23
Which disorder is characterized by lack
of pigment?
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A.
B.
C.
D.
Down syndrome
Cystic fibrosis
Galactosemia
Albinism
How can the genetic disorder known as
hemophilia be defined?
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A. Dominant, sex-linked disorder
common to females
B. Dominant,sex-linked disorder
common to males
C. Recessive, sex-linked disorder
common to males
D. Recessive, sex-linked disorder
common to females
What is the genotype of a woman with
red-green color blindness?
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A.
B.
C.
D.
XbYb
XbXB
XbY
XBY
What is the effect of sickle-cell anemia?
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A. Susceptibility of contracting
malaria
B. Blocked respiratory pathways
C. Inefficient oxygen transportation
D. Decreased neurological
functions
What are the possible human blood
types?
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A.
B.
C.
D.
A, B, AB, O
A, B, O, ABi
A, B, ABI, i
A, B, ABO, O
What occurs when the recessive allele for no
pigment masks the dominant allele for dark color in
Labrador retrievers?
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A.
B.
C.
D.
Epstein-Barr
Epipen
Epistasis
Epidermis
What is the fetal test for genetic disorders that is
performed after 15 weeks of pregnancy?
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A.
B.
C.
D.
Amniocentury
Amniotic membrane
Amniocentesis
Amniotic fluid
To what is the wide diversity of human
height attributed?
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A.
B.
C.
D.
Multiple cell cycles
Multiple alleles
Multiple chromosomes
Multiple births
White-flowered plants crossed with redflowered plants to produce pink-flowered
offspring is an example of
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A.
B.
C.
D.
Incomplete dominance
Dominance
Complete dominance
Codominance
A person who is heterozygous for a
recessive genetic disorder is called a(n)
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A.
B.
C.
D.
Carrier
Carrier pigeon
Host
Allele
Which defines an organism that is
homozygous for a trait?
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A. Has two different alleles for a
trait
B. Has two different genes for a
trait
C. Has two of the same alleles for a
trait
D. Has two of the same
chromosomes for a trait
What is a Barr body?
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A.
B.
C.
D.
An inactive X chromosome
An inactive Y chromosome
An incomplete X chromosome
An inconclusive X chromosome
What is a telomere?
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A. A protective end cap for an allele
B. A protective end cap for a gene
C. A protective end cap for a
chromosome
D. A protective end cap for a
protein
If a child is born with type A blood, what are
the possible genotypes of the child’s
parents?
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A.
B.
C.
D.
E.
IAIA and IAi
IAi and IAi
IAi and ii
IAIA and ii
All of the above
What is the probability that a human sperm
cell will carry an X chromosome?
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A.
B.
C.
D.
0 percent
50 percent
25 percent
100 percent
What is the approximate probability that
a human offspring will be female?
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A.
B.
C.
D.
10 percent
25 percent
50 percent
75 percent
Which of the following are shown in a
karyotype?
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A.
B.
C.
D.
Homologous chromosomes
Sex chromosomes
Autosomes
All of the above
Traits that are produced by the interaction of
several genes are said to be
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A.
B.
C.
D.
Polygenic
Codominance
Haploid
diploid
Situation in which one allele for a gene is not
completely dominant over another allele for
that gene are called
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A.
B.
C.
D.
Multiple alleles
Incomplete dominance
Codominant alleles
Multiple genes
The interaction of multiple pairs of genes are
known as which type of traits?
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A.
B.
C.
D.
Polyploidy
Polypeptides
Polygenic
Polygamy
A study of pairs of homologous
chromosomes produced in a micrograph is
known as
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A.
B.
C.
D.
Amniocentesis
Karyotype
Telomere
Twin studies
Pedigree
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Create a pedigree representing the following
scenario: Fred has long, nose hairs. His great
grandparents, Blake and Amanda are both
afflicted with long, nose hairs. They had twelve
children (in order) – Patton (a long, nose hair
guy), Daisy (hairless, but a carrier), Mark (a long,
nose hair dude), Noah, Nick, Kory, and Nate (all
long, nose hairs), Abby, Kaylee, Lizzie (hairless,
carriers), Timmy and Stephanie (both hairless,
non-carriers). Only Kaylee and Timmy marry (not
each other!). Kaylee marries Frank and they
have three children (Emily, Hannah, and Harrison
– only Harrison has long, nose hairs). Timmy
marries Amelia and they have one child, Julie (a
hairless, non-carrier). Ready set go!
Punnett Square
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If you cross a heterozygous black
stallion with a homozygous white
mare, what is the probable outcome
of their offspring?
Punnett Square
1.
What are the phenotypic and
genotypic ratios of a cross
between a homozygous recessive
blue-eyed female and a
heterozygous brown-eyed male?
Brown is dominant to blue. Use
the letter B.
Punnett Square
1.
What are the phenotypic and
genotypic ratios of a cross
between a homozygous ear-lobed
female and a homozygous
attached ear male? Lobed is
dominant to attached. Use the
letter E.
Punnett Square
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If you cross a red rose with a
white rose, what are the
phenotypic and genotypic ratios of
the offspring if red is dominant to
white and incomplete dominance is
present? Be sure to include
percentages of outcomes and
genotypes of male and female
parents. Use the letter R.
Punnett Square
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If you cross a purple, fire-breathing
dragon (male) with a white, normalbreathing dragon (female) and
incomplete dominance occurs in color and
fire-breathing is dominant to normalbreathing, what are the phenotypic and
genotypic ratios of the offspring? Be sure
to include percentages of outcomes and
genotypes of male and female parents.
Use the letters B and G.
Punnett Square
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If a father has AB blood and the
mother has O, what are the
genotypic and phenotypic ratios of
their offspring? Be sure to include
the genotypes of the parents and
the percentage of the results seen.
Be sure to use I or i.