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WorksheetsCK-12 Genetics 3.2 Mendel's First Experiment
Total questions: 18
Worksheet time: 6mins
Name
Class
Date
1.
Crossing purebred purple and white flowered plants, how much of the offspring will be purple?
a)
0.25
b)
1
c)
50
d)
75
2.
When the F1 generation self-pollinate, how much of the offspring (F2) generation were purple?
a)
0.75
b)
25
c)
50
d)
100
3.
two factors controlling a given characteristic, one of which dominates the other.
a)
Law of Segregation
b)
Law of Conservation
c)
Law of Evolulution
d)
Law of Independant Assortment
4.
Mendel crossbred a purebred green with a yellow pea what did he predict?
a)
25/75 or 1/3
b)
10/90 or 1/9
c)
50/50 or 1:1
d)
20/80 or 1/5
5.
Was Mendel’s prediction correct?
a)
No
b)
Yes
6.
When Mendel let the F1 generation self pollinate what was the ratio of yellow to green peas?
a)
10/90 or 1/9
b)
75/25 or 3:1
c)
50/50 or 1:1
d)
20/80 or 1/5
7.
What disappeared in the F1 generation, but reappeared in the F2 generation?
a)
Red peas
b)
Yellow peas
c)
White peas
d)
Green peas
8.
What are alleles that mask recessive alleles?
a)
Dominant alleles
b)
Recessive Allele
c)
Hybrid
d)
Purebred
9.
In the pea plant example, what color is dominant?
a)
Red
b)
Orange
c)
Yellow
d)
Green
10.
In the pea plant example, what color is recessive?
a)
Red
b)
Orange
c)
Yellow
d)
Green
11.
Genes are located on ___________.
a)
Chromosomes
b)
Ribosomes
c)
Cells
d)
Legs
12.
A section of DNA that controls a trait is called a _______.
a)
Nucleus
b)
Gene
c)
Cells
d)
Gametes
13.
A variation of a gene is called an ______.
a)
Assortment
b)
Nucleus
c)
Allele
d)
Chromosome
14.
YY would be an example of _______ ________ alleles
a)
Homozygous Dominant
b)
Heterozygous
c)
Phenotype
d)
Homozygous Recessive
15.
yy would be an example of _______ _________ alleles
a)
Homozygous Dominant
b)
Heterozygous
c)
Phenotype
d)
Homozygous Recessive
16.
Yy would be an example of ________ alleles
a)
Homozygous Dominant
b)
Heterozygous
c)
Phenotype
d)
Homozygous Recessive
17.
What are the allele combinations called?
a)
Genotype
b)
Purebred
c)
Phenotype
d)
Hybrid
18.
What is the physical appearance called?
a)
Genotype
b)
Purebred
c)
Hybrid
d)
Phenotype
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