WorksheetsLFMS Genetics
Total questions: 25
Worksheet time: 58mins
Name
Class
Date
1.
The father of genetics is
a)
Gregor Mendall
b)
Isaac Newton
c)
Louis Pasteur
d)
Albert Einstein
2.
The genotype of someone who is heterozygous can be _____________.
a)
RR
b)
Rr
c)
rr
d)
RR or rr
3.
How many alleles does every trait have?
a)
1
b)
2
c)
4
d)
8
4.
The passing of traits from parents to offspring is called _______________.
a)
Genetics
b)
Traits
c)
Heredity
d)
Genes
5.
A homozygous person can have the genotype _____________.
a)
RR
b)
rr
c)
Rr
d)
RR or rr
6.
What is the probability of the offspring showing the recessive trait?
a)
25%
b)
50%
c)
100%
d)
75%
7.
What is the probability of the offspring showing the dominant trait?
a)
25%
b)
50%
c)
75%
d)
100%
8.
The structure (pictured here) that contains directions for a cell's activities is called a _____________.
a)
Gene
b)
Chromosome
c)
Nucleus
d)
Amino Acid
9.
The scientific study of heredity is called ______________.
a)
Genetics
b)
Punnett Square
c)
Traits
d)
Genes
10.
Different forms of characteristics (pink flowers, round seeds, tall plants) are called _____________.
a)
Traits
b)
Genotypes
c)
Genetics
d)
Homozygous
11.
This shows exactly what alleles make up the genes that were inherited from an offspring's parents.
a)
Genotype
b)
Phenotype
c)
Heredity
d)
Chromosome
12.
The physical appearance of an organism is called the ________________.
a)
Genotype
b)
Phenotype
c)
Chromosome
d)
Dominant
13.
This specific form of a trait masks or covers the other form of the same trait.
a)
Dominant
b)
Recessive
c)
Homozygous
d)
Phenotype
14.
When an organism has two dominant or two recessive alleles, it is referred to as ______________.
a)
Homozygous
b)
Heterozygous
c)
Genotype
d)
Phenotype
15.
We learned from the father of genetics that inherited traits are determined by ____________.
a)
Genes
b)
Phenotype
c)
Acquired characteristics
d)
Genotype
16.
Characteristics you have developed over time and learned throughout you life are called _______________.
a)
Acquired traits
b)
Inherited traits
c)
Genotypes
d)
Phenotypes
17.
There are a total of _______ chromosomes in the human body. Offspring get _____ (half) from each parent.
a)
46,23
b)
30,15
c)
4,2
d)
100, 50
18.
Genetic material is referred to as DNA and can be found in _______________ cells.
a)
Prokaryotic
b)
Eukaryotic
c)
Prokaryotic and Eukaryotic
d)
Neither type
19.
You can inherit traits from someone not related to you.
a)
True
b)
False
20.
The various forms of each gene (same gene, different trait) are called ___________ and are represented by letters.
a)
Alleles
b)
Genes
c)
Chromosomes
d)
DNA
21.
If purple flowers are dominant to white flowers, which set below would represent the dominant trait.
a)
PP
b)
pp
c)
PP and pp
d)
PP and Pp
22.
If both parents have homozygous genotypes for brown eyes (B), which is dominant to blue eyes (b), what is the probability that the offspring will have brown eyes? Show your work on the paper provided.
a)
25%
b)
50%
c)
100%
d)
0%
23.
If round seeded plants (R) are dominant to wrinkled (r) and a heterozygous round seeded plant is crossed with another heterozygous round seeded plant, what is the probability the offspring will have wrinkled seeded plants? Show your work on the paper provided.
a)
25%
b)
50%
c)
75%
d)
0%
24.
If long whiskers on seals are dominant (W) are dominant to short whiskers (w) and we cross two homozygous recessive seals, what is the probability that the offspring will have long whiskers? Show your work on the paper provided.
a)
25%
b)
50%
c)
0%
d)
100%
25.
DNA stands for Deoxyribo Nucleic ______.
a)
Acid
b)
Acquired
c)
Advantage
d)
None of these
100 %
