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WorksheetsCh. 5 Genetics Chapter Review
Total questions: 53
Worksheet time: 27mins
What is the term for the passage of traits or characteristics from parents to offspring through the inheritance of genes called?
Genetics
Dominant
Heredity
Biology
What is the field of Biology devoted to understanding how traits or characteristics are transmitted from parents to offspring?
Ecology
Biochemistry
Biology
Genetics
What is the term for a form that a gene may take for a given trait called?
Dominant
Allele
Gene
Recessive
What is the term for the genetic makeup of an organism for a trait called?
Genome
Phenotype
Genotype
Allele
What is the term for the physical or visible characteristics that the genotype determines called?
Phenotype
Homozygous
Heterozygous
Polygenic
What is the term for a tool that determines all the possible gene combinations among offspring called?
Pedigree chart
Food web
Punnett square
Karyotype
What is the term for a trait that dominates or prevents the expression of another trait called?
Codominant
Dominant
Recessive
Sex linked
What is the term for the form of a trait that is overpowered or dominated by another form called?
Codominant
Dominant
Sex linked
Recessive
What is the term for an organism with two identical alleles for a trait called?
Hemophilia
Homozygous
Heterozygous
Polygenic
What is the term for an organism with two different alleles for a trait called?
Hemophilia
Homozygous
Heterozygous
Polygenic
What is the term for the condition where one allele is not dominant to the other; both alleles are trying to be expressed resulting in a third possible phenotype
Sex linked
Dominant ve Recessive
Codominant
Multiple Allele
What is the term for the first mating of two organisms called?
F1 generation
F2 generation
Parental cross
Phenotype
What is the term for the offspring that result from a parental cross called?
F1 generation
F2 generation
Parental cross
Phenotype
What is the term for the offspring that result from a cross of the F1 generation called?
F1 generation
F2 generation
Parental cross
Phenotype
What is the term for the condition where individuals can not clot blood properly; a sex-linked recessive disorder
Sickle cell anemia
Hemoglobin
Turner's syndrome
Hemophilia
Down's syndrome
What is the term for a tool for tracing the occurrence of a trait in a family called?
Punnett square
Pedigree chart
Energy pyramid
Karyotype
What is the term for when multiple genes are responsible for a given trait called?
Factor
Allele
Polygenic
Phenotype
What is the term for an allele that is inherited on the sex chromosome (X) called?
Multiple allele
Polygenic
Genotype
Sex linked
What is the term for a segment of DNA on a chromosome that directs the making of a protein called?
Chromosome
DNA
GENE
ALLELE
Identify a genotype that is homozygous recessive.
AB Blood type
AA
Aa
aa
Identify a genotype that is homozygous dominant.
AB Blood type
AA
Aa
aa
Identify a genotype that is heterozygous.
AB Blood type
AA
Aa
aa
Identify a phenotype.
AB Blood type
AA
Aa
aa
Identify 4 facts about genes.
Genes are segments of DNA
Genes are found on chromosomes
Genes come in pairs (homologous)
Genes come in different forms (alleles)
Genes code for traits
Based on the pattern of inheritance known as sex-linkage, if a male is a hemophiliac (XhY), how many genes for this trait are present on the sex chromosomes within his cells?
1
2
3
4
Based on the pattern of inheritance known as sex-linkage, if a female is a hemophiliac (XhXh), how many genes for this trait are present on the sex chromosomes within her cells?
1
2
3
4
Based on the pattern of inheritance known as sex-linkage, if a female is a carrier (XHXh), how many genes for this trait are present on the sex chromosomes within her cells?
1
2
3
4
An inherited metabolic disorder known as phenylketonuria (PKU) results from the inability to break down an amino acid due to a missing ____.
Carbohydrate
Protein
Enzyme
Gene sequence
What genetic disorder has abnormal hemoglobin with fragile red blood cells?
Turner's syndrome
Down's syndrome
Sickle cell anemia
PKU
Klinefelter's syndrome
A male is represented by what 2 sex chromosomes?
XX
XXY
XYY
XY
A female is represented by what 2 sex chromosomes?
XX
XXY
XYY
XY
What are all the possible gametes for a parent with GGBb for two designated traits?
GG, Bb
GB, Gb
GG
Bb
What are all the possible gametes for a parent with AaBb for two designated traits?
Aa, Bb
AB, Ab
AB, Ab, aB
AB, Ab, aB, ab
What is the genotype for the following punnett square?
1/4 RR, 1/2 rr, 1/4 Rr
1/4 RR, 1/2 Rr, 1/4 rr
1/2 RR, 1/4 Rr, 1/4 rr
What is a genotype?
What is the phenotype for the following punnett square? Note: Red (R) is dominant over white (r)?
1/4 Red, 1/2 Pink, 1/4 White
3/4 Red, 1/4 White
4/4 Red
4/4 White
What is the probability that Mary and Steve will have a baby with hemophilia?
0%
25%
50%
75%
100%
What is the probability that Mary and Steve will have a normal baby boy?
0%
25%
50%
75%
100%
What is the probability that Mary and Steve will have a girl with hemophilia?
0%
25%
50%
75%
100%
What is the probability that Mary and Steve will have a normal girl?
0%
25%
50%
75%
100%
What must happen for a boy to have hemophilia?
Dad must have hemophilia
Mom must have hemophilia
Mom must be a carrier at least
Mom and Dad must have hemophilia
If a black fur guinea pig (BB) is crossed with a white fur guinea pig (bb), What is the probability that the offspring have black fur?
0%
25%
50%
100%
If a black fur guinea pig (BB) is crossed with a white fur guinea pig (bb), What is the probability that the offspring have grey fur?
0%
25%
50%
100%
What is the term that Mendel used to refer to genes?
Chromosomes
DNA
Factors
Chromatin
What organism did Mendel use to understand how traits are passed from generation to generation?
Rats
Flies
Monkeys
Pea plants
What condition is it when there is an extra 21st chromosome?
Turner's syndrome
Klinefelter's syndrome
Down syndrome
PKU
What condition is it when there is only 1 sex chromosome?
Turner's syndrome
Klinefelter's syndrome
Down syndrome
PKU
What is the symbol in a pedigree chart for a man with a disorder?
Square that is empty
Square that is filled in
Circle that is empty
Circle with a dot in the middle
Circle that is filled in
What is the symbol in a pedigree chart for a woman who is a carrier?
Square that is empty
Square that is filled in
Circle that is empty
Circle with a dot in the middle
Circle that is filled in
What is the symbol in a pedigree chart for a woman who has hemophilia?
Square that is empty
Square that is filled in
Circle that is empty
Circle with a dot in the middle
Circle that is filled in
What is the symbol in a pedigree chart for a man who is normal for blood clotting?
Square that is empty
Square that is filled in
Circle that is empty
There is no such thing as a normal male
What does a line connecting a circle to a square indicate in a pedigree chart?
Nothing
They are siblings
They are married
They are grandchildren
What is the chemical inside the nucleus that controls all the cell's activities called?
ATP
Enzymes
RNA
DNA
In the movie "Guardians of the Galaxy" what is the name of the character played by a racoon?
Star-lord
Groot
Thanos
Rocket
Gamora
