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WorksheetsINTRO TO CLASSICAL GENETICS
Total questions: 30
Worksheet time: 10mins
Name
Class
Date
1.
Why does meiosis produce haploid cells?
a)
So that when male and female gametes join, the resulting cell has the normal number of chromosomes for that species
b)
Some cells require half the genetic information because they do not have to carry out all cellular functions.
2.
Haploid equals
a)
N
b)
2N
3.
Meiosis
a)
produces haploid reproductive cells
b)
produces two identical cells
c)
Replicates DNA
d)
Makes a protein
4.
Every living thing that reproduces sexually must go through Meiosis
a)
TRUE
b)
FALSE
5.
Egg cells and Sperm cells are also called:
a)
Gametes
b)
Somatic cells
c)
Zygotes
6.
A zygote is a fertilized egg.
a)
TRUE
b)
FALSE
7.
An individual with the genetics XY would be -
a)
MALE
b)
FEMALE
8.
All males received the Y chromosome only from their mothers.
a)
TRUE
b)
FALSE
9.
Most genes are recipies for making specific
a)
Proteins
b)
Gametes
c)
Zygotes
d)
Monohybrid cross
10.
A gene is located on the
a)
DNA
b)
RNA
c)
Protein
d)
Trait
11.
Mitochondrial DNA can only come from -
a)
MOM
b)
DAD
12.
Mendel was -
a)
An Austrian Monk
b)
Patent Clerk
c)
Post Doctoral student at Cambridge in England
d)
The third Fank
13.
Just like Mendel removing the male reproductive structures of his pea plants - We control the reproduction of corn by detasseling.
a)
TRUE
b)
FALSE
14.
There are -
a)
2 forms of every gene
b)
3 forms of every gene
c)
4 forms of every gene
d)
5 forms of every gene
15.
An allele is a name for a form of a gene.
a)
TRUE
b)
FALSE
16.
Alleles could be a dominant form or a recessive form
a)
TRUE
b)
FALSE
17.
We get one allele from MOM and one allele from DAD
a)
TRUE
b)
FALSE
18.
We would use letters like Gg to indicate an organisms:
a)
Genotype
b)
Phenotype
19.
Following one trait is called a
a)
MONOHYBRID CROSS
b)
DIHYBRID CROSS
20.
The genotype "TT" is
a)
Homozygous dominant
b)
Heterozygous
c)
Homozygous recessive
21.
The genotype "Tt" is
a)
Homozygous dominant
b)
Heterozygous
c)
Homozygous Recessive
22.
The genotype "tt" is
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous recessive
23.
A trait that always shows up
a)
Dominant
b)
Recessive
24.
A trait that can be masked
a)
Dominant
b)
Recessive
25.
Purple flowers are dominant
a)
TRUE
b)
FALSE
26.
This is the result of a P1 cross
a)
TRUE
b)
FALSE
27.
The genotypic ratio for this cross would be:
a)
1:2:1
b)
3:1
c)
1:1
d)
4:0
28.
The phenotypic ratio for this cross would be:
a)
3:1
b)
1:1
c)
1:2:1
d)
867-5309
Jenny Jenny who can I turn to?
Jenny Jenny who can I turn to?
29.
In the first cell at the top we might get the yellow chromosome from MOM and the blue chromosome from DAD.
a)
TRUE
b)
FALSE
30.
This picture shows the production of gametes
a)
TRUE
b)
FALSE
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