WorksheetsAg Bio- Heredity
Total questions: 24
Worksheet time: 56mins
Name
Class
Date
1.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
2.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
3.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
4.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
5.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
6.
B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
7.
Aa is
a)
homozygous
b)
heterozygous
8.
What gender has an X and a Y chromosome?
a)
male
b)
female
c)
transgender
d)
all of the above
9.
Complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed.
a)
Codominance
b)
Sex-linked trait
c)
Telomere
d)
Epitasis
10.
Complex inheritance pattern in which the heterozygous phenotype is intermediate between those of the two homozygous parent organisms
a)
Codominance
b)
Autosome
c)
Karyotype
d)
Incomplete Dominance
11.
Chromosome that is not a sex chromosome
a)
Autosome
b)
Sex Chromosome
c)
Polygenic Trait
d)
Codominance
12.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
13.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
14.
What type of heredity is shown in the pedigree?
(hint: check your notes - "modes of inheritance")
(hint: check your notes - "modes of inheritance")
a)
Sex-Linked Dominant
b)
Sex-Linked Recessive
c)
Autosomal Dominant
d)
Autosomal Recessive
15.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive
16.
Does this pedigree show a dominant or recessive trait?
a)
Dominant
b)
Recessive
17.
Hemophilia is a recessive sex-linked trait. If H = normal & h = has hemophilia, which genotype represents a male with hemophilia.
a)
XHY
b)
XHXh
c)
XhXh
d)
XhY
18.
The pedigree is showing a _____________ trait.
a)
autosomal dominant
b)
autosomal recessive
c)
sex linked recessive
19.
What is a GMO?
a)
An organism that has had its DNA modified by humans
b)
An organism missing a chromosome
c)
Epigenetics
d)
A genetically identical organism
20.
Genetic engineering has been used to produce
a)
medicines.
b)
food animals.
c)
improved crops.
d)
all of these.
21.
Which produces offspring from a single cell of an adult?
a)
inbreeding.
b)
mutations.
c)
hybridization.
d)
cloning.
22.
Any change or mistake in DNA replication can cause a ________
a)
cancer cell
b)
virus
c)
disease
d)
mutation
23.
In humans, what would the blood type of a child be if she inherited type A from Dad and type B from Mom?
a)
O
b)
A
c)
B
d)
AB
24.
Breeders can increase the genetic variation in a population by using
a)
inbreeding.
b)
mutations.
c)
hybridization.
d)
restriction enzymes.
100 %
