WorksheetsMendelian Genetics
Total questions: 30
Worksheet time: 10mins
Name
Class
Date
1.
Who is considered the "Father of Genetics?"
a)
James Watson
b)
Francis Crick
c)
Gregor Mendel
d)
Albert Einstein
2.
True or False: Genetics is the scientific study of heredity.
a)
True
b)
False
3.
What is another name for "true breeding?"
a)
Heterozygous
b)
Purebred
c)
Hybrid
d)
Cross Pollinating
4.
Gregor Mendel's "P" Generation consisted of plants which were ______________ with opposite traits.
a)
Purebred
b)
Hybrid
c)
Heterozygous
d)
Incompletely Dominant
5.
All offspring plants in the F1 generation were purple because purple is the ______________ trait.
a)
Heterozygous
b)
Homozygous
c)
Dominant
d)
Recessive
6.
Which of the following does NOT describe the flowers in the F1 Generation?
a)
Hybrid
b)
Heterozygous
c)
Purebred
7.
Gregor Mendel's "P" generation consisted of purple flower plants crossed with white flower plants. What were the results of this cross?
a)
All purple flower offspring
b)
All white flower offspring
c)
Some purple flowers and some white flowers
8.
True or False: The trait NOT seen in the F1 generation is the DOMINANT trait.
a)
True
b)
False
9.
Which of the following best explains the results of letting the F1 purple hybrids self pollinate?
a)
100% Purple
b)
100% White
c)
50% Purple, 50% White
d)
75% Purple, 25% White
10.
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
a)
Gene
b)
Allele
c)
Codon
d)
Nucleotide
11.
The different forms of a gene are known as _____________.
a)
Codons
b)
Proteins
c)
Alleles
d)
Nucleotides
12.
True or False: Mendel's "Law of Dominance" states that some alleles are dominant which others are recessive.
a)
True
b)
False
13.
How many alleles do you get from each parent?
a)
1
b)
2
c)
23
d)
46
14.
Which of Mendel's laws states that alleles are separated during meiosis?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
15.
According to the Law of Segregation, alleles are separated during the process of _____________.
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Translation
16.
Which of Mendel's laws states that alleles are distributed to gametes independent of one another?
a)
Law of Dominance
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Law of Meiosis
17.
Which of the following best describes a GENOTYPE?
a)
The allele/genetic makeup of an organism.
b)
The physical expression of a trait.
18.
Which of the following is an example of a GENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
19.
Which of the following is an example of a PHENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
20.
Which of the following is an example of a homozygous dominant genotype?
a)
RR
b)
Rr
c)
rr
21.
Which of the following is an example of a homozygous recessive genotype?
a)
RR
b)
Rr
c)
rr
22.
Which of the following is an example of a heterozygous genotype?
a)
RR
b)
Rr
c)
rr
23.
What is the FUNCTION of the visual tool seen in the image?
a)
Identifies the location of a gene.
b)
Determines the DNA sequence of an organism.
c)
Predicts the possible results of a genetic cross.
d)
Tests for the presence of dominant alleles.
24.
The letters on the TOP AND SIDE of a punnett square represent ______________.
a)
The combination of alleles in offspring.
b)
The possible alleles given by the parents following meiosis.
c)
The genotype and phenotype of offspring.
d)
The results of genetic mutations in offspring.
25.
True or False: A phenotype describes the physical expression (characteristics) of a gene. In other words, how something looks.
a)
True
b)
False
26.
Geneticists use ___________ to represent _____________, the different forms of a gene.
a)
Numbers ; Alleles
b)
Letters ; Factors
c)
Letters ; Alleles
d)
Numbers ; Factors
27.
True or False: If a dominant allele is present, the trait will always appear in the organism.
a)
True
b)
False
28.
What is another name for heterozygous?
a)
Hybrid
b)
Purebred
c)
Codominant
d)
Mixed Breed
29.
If a person has a genotype of RR, what do you know about their gametes (sex cells)?
a)
They will all carry the R allele.
b)
They will all carry RR.
c)
Some will carry R, some will carry r.
d)
They will all carry the r allele.
30.
If a person has a genotype of Rr, what do you know about their gametes (sex cells)?
a)
They will all carry the R allele.
b)
They will all carry Rr.
c)
Some will carry R, some will carry r.
d)
They will all carry the r allele.
100 %
