WorksheetsGenetics Vocabulary
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Two Alleles make a
a)
Gene
b)
Chromosome
c)
DNA
d)
Phenotype
2.
Coiled up DNA forms X shaped structures called
a)
DNA Coils
b)
Chargraffs
c)
Chromosomes
d)
Alleles
3.
An Organism's physical appearance is its
a)
Genotype
b)
Phenotype
c)
Chromosome
d)
Allele
4.
The particular mix of alleles (letter combination) is an organism's
a)
Phenotype
b)
Chromosome
c)
Punnett Square
d)
Genotype
5.
A gene with two of the same alleles (DD or aa) is considered a __________ gene.
a)
Genotype
b)
Hybrid
c)
Gene
d)
Purebred
6.
A gene with a mix of alleles (Bb) is considered a _________ gene.
a)
Purebred
b)
Hybrid
c)
Homozygous
d)
Punnett
7.
You have two alleles on each gene. Where do you alleles come from?
a)
From the grandparent you most resemble
b)
Your parents
c)
Your siblings
d)
You make them by yourself
8.
Watson and Crick....
a)
Took an x-ray picture of DNA
b)
Grew peas and discovered that alleles could be dominant and recessive.
c)
Discovered the Shape of DNA
d)
Invented Genetics
9.
DNA is shaped like...
a)
A Double Helix
b)
A Helix
c)
A Triple Helix
d)
A Double Stack
10.
Franklin....
a)
Took an x-ray picture of DNA
b)
Grew peas and discovered that alleles could be dominant and recessive.
c)
Discovered the Shape of DNA
d)
Invented Genetics
11.
Mendel....
a)
Took an x-ray picture of DNA
b)
Grew peas and discovered that alleles could be dominant and recessive.
c)
Discovered the Shape of DNA
d)
Invented Genetics
12.
Phenotype is
a)
The number of Chromosomes
b)
Physical apperance determined by the alleles
c)
Number genes
d)
The particular alleles or letter combination
13.
Genotype is
a)
The number of Chromosomes
b)
Physical apperance determined by the alleles
c)
Number genes
d)
The particular alleles or letter combination
14.
Meiosis is
a)
The particular alleles or letter combination
b)
a form of cell division that results in 4 different daughter cells
c)
a form of cell division that results in 2 identical daughter cells
d)
just like mitosis
15.
The Nucleus is
a)
an organelle that protects the DNA
b)
an organelle that makes ATP (Energy)
c)
The outer edge of the cell
d)
the "X" shape structure that is made of DNA
16.
Select the answer that shows only Genotypes
a)
Gg, Green
b)
DD, Ff
c)
Tall, Blue
d)
Ss, Square
17.
Select the answer that shows only Phenotypes.
a)
Gg, Green
b)
DD, Ff
c)
Tall, Blue
d)
Ss, Square
18.
Meiosis results in ____ Daughter cells
a)
1/2 the number of
b)
23
c)
2
d)
4
19.
Human Sex Cells (Eggs and Sperm) have ____ number of chromosomes.
a)
46
b)
92
c)
23
d)
4
20.
Most human cells have ____ Chromosomes.
a)
46
b)
92
c)
23
d)
4
100 %
