WorksheetsGenetics Unit 7 Review
Total questions: 27
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
When Gregor Mendel crossed a tall plant with a short plant, the new baby plants inherited
a)
two alleles from each parent
b)
one allele from each parent
c)
two alleles from one parent
d)
four alleles from each parent
2.
A Punnett Square shows all the following EXCEPT
a)
All possible results of a genetic cross
b)
The genotypes of the offspring
c)
The genotypes of each parent
d)
The actual results of a genetic cross
3.
What principle states that during gamete formation genes for different traits separate without influencing each other's inheritance?
a)
Principle of dominance
b)
Principle of independent assortment
c)
Principle of probabilities
d)
Principle of segregation
4.
A male and female bison that are both heterozygous for normal skin pigmentation produce an albino offspring (aa). Which of Mendel's principles explain(s) why the offspring is albino?
a)
dominance only
b)
independent assortment
c)
dominance and segregation
d)
segregation only.
5.
A heterozygous tall pea plant is crossed with a short plant. The probability that the F1 plant will be short. (F1 generation are the offspring)
a)
25%
b)
50%
c)
75%
d)
100%
6.
Organisms that have different alleles for a particular trait are said to be
a)
Hybrid
b)
Homozygous
c)
Heterzygous
d)
Dominant
7.
Looking at the Pedigree - for the particular trait A is dominant and a is recessive. The shaded individuals are show the recessive phenotype. Based on this information what is KASEY's genotype?
a)
AA
b)
Aa
c)
A
d)
a
8.
In the Punnett Square, which of the following is true about the offspring?
a)
About half are expected to be Tall
b)
All are expected to be short
c)
All are expected to be tall
d)
About half are expected to be short.
9.
In birds the alleles for color show codominance. One allele is blue and one allele is white. What would the heterozygote look like?
a)
Light Blue
b)
Blue
c)
White
d)
Blue with White Tipped Feathers
10.
Flowers can be white, red, or pink. This is an example of what type of inheritance?
a)
complete dominance
b)
codominance
c)
incomplete dominance
d)
sex-linked traits
11.
Human skin color is an example of what type of inheritance?
a)
Sex-linked traits
b)
incomplete dominance
c)
multiple alleles
d)
polygenic traits.
12.
How many chromosomes are found in a normal human karyotype?
a)
46
b)
47
c)
26
d)
23
13.
Is this karyotype that of a male or female?
a)
Male
b)
Female
c)
Not enough information
d)
Alien?
14.
In the karyotype, why is the individual not male?
a)
There is no Y chromosome
b)
The individual is male.
c)
There are 45 Chromosomes
15.
If man has type a blood, he can be:
a)
ii
b)
IAIB
c)
IAi
d)
IBi
16.
How many generations are shown in the pedigree?
a)
1
b)
2
c)
3
d)
4
17.
In the Karyotype, which chromosomes are the autosomes?
a)
1-10
b)
1-22
c)
2-23
d)
23
18.
In the human Karyotype, what term is used to describe the pair of chromosomes in each numbered group?
a)
homozygous chromosomes
b)
autosomes
c)
homologous chromosomes
d)
autosomes
19.
Genetic make-up of an organism.
a)
Genotype
b)
Phenotype
c)
Genes
d)
Homologous
20.
Physical characteristics of an organism.
a)
Genotype
b)
Phenotype
c)
Genes
d)
Homologous
21.
Study of hereditiy
a)
Genotype
b)
Phenotype
c)
Genes
d)
Genetics
22.
Sequence of DNA that codes for a protein.
a)
Heterozygous
b)
Allele
c)
Gene
d)
Genetics
23.
Two sets of chromosomes, one set from mom and one from dad.
a)
Heterozygous
b)
Allele
c)
Homologous
d)
Genetics
24.
Different forms of a gene.
a)
Heterozygous
b)
Allele
c)
Homologous
d)
Genetics
25.
My favorite biology teacher is....
a)
Mrs. Galegor
b)
Mrs. Galegor
c)
Mrs. Galegor
d)
Mrs. Galegor
26.
If a man with blood type A and woman with blood type B produce offspring, what might the offspring's blood type be?
a)
AB or O
b)
A, B, or O
c)
A, B, AB, or O
d)
AB only
27.
Sex-linked genes are located on
a)
the autosomal chromosomes
b)
the X chromosomes only
c)
The Y chromosomes only
d)
both the X and Y chromosomes
100 %
