WorksheetsMendelian Genetics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What did Gregor Mendel's primary experiment consist of?
a)
Peas
b)
Flowers
c)
Beans
2.
What is the definition of Homozygous?
a)
When one allele is dominant and one is recessive
b)
When an individual has two sets of the same allele.
c)
when it is neither dominant or recessive
3.
what is the definition of Heterozygous?
a)
when an individual has two sets of the same allele
b)
when it is neither dominant or recessive
c)
A pair of genes where one is dominant and one is recessive.
4.
what is the ratio of the punnet quare
a)
1:4
b)
2:4
c)
3:4
5.
The principle of __________ states that alleles segregate during gamete formation.
a)
multiple alleles
b)
Independent assortment
c)
Segregation
6.
in a breeding experiment what are the first 2 individuals called?
a)
P generation
b)
F1 generation
c)
F2 generation
7.
The phenotype is the _______________.
a)
physical appearance of an organism
b)
Genetic makeup
c)
Alleles acquired from a specific parent.
8.
The genotype is the ______________.
a)
physical appearance
b)
Genetic makeup
c)
Alleles gained from one parent
9.
True or False: The principles of probability can be used to predict the outcomes of genetic crosses
a)
true
b)
false
10.
The Law of Segregation is when two alleles for a heritable character segregate (separate) during gamete formation and end up on the
a)
same gametes
b)
different gametes
11.
An organism's expressed physical trait, such as color or shape, is called its
a)
genotype
b)
phenotype
c)
gamete
12.
An organism that has two different alleles for a single trait is said to be _____ for that trait.
a)
Haploid
b)
Diploid
c)
heterozygous
d)
homozygous
13.
The passing of characters from parents to offspring is called?
a)
Monohybrid cross
b)
Heredity
c)
True breeding
d)
Genetics
14.
When 2 heterozygous parents (Qq) are crossed, what are the alleles of the offspring?
a)
25% QQ, 50% Qq, 25% qq
b)
100% QQ
c)
50% Qq
d)
none of above
15.
autosome is
a)
Any chromosome that is not a sex chromosome.
b)
sex chromosome
16.
A mutation is a change in
a)
DNA
b)
Appearence
c)
Hair
d)
Arms
17.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
18.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
19.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
20.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
100 %
