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Mendel Notes
Test Description: 3/18/2013
Instructions: Answer all questions to get your test result.
1) Yellow pea color is dominant to green color. A homozygous dominant plant and a homozygous recessive plant are cross. What are the phenotype percentages of their offspring?
A
100% Heterozygous
B
100% Yellow
C
50% Green, 50% Yellow
D
50% Homozygous Dominant, 50% Homozygous Recessive
2) Use the letter "e" to represent pod shape. Smooth pods are dominate over constricted pods. What is the genotype if the plant is smooth?
A
EE or Ee
B
EE or ee
C
ee
D
EE
3) Use the letter "r." What is the genotype ratio of the offspring of a homozygous wrinkled seed and a homozygous round seed?
A
0:2:2
B
1:2:1
C
2:2:0
D
2:0:3
4) Use the letter "r." What is the phenotype ratio of the offspring of a homozygous wrinkled seed and a homozygous round seed?
A
3:1
B
1:1
C
2:2
D
1:3
5) Phenotype
A
is the genetic information found on the chromosomes.
B
is physical characteristic seen on an organism
C
consists of two letters which represent alleles.
D
cannot be easily seen
6) A gene is made of
A
DNA
B
traits
C
amino acids
D
chromosomes
7) Genes are found on ____________ in eukaryotic cells when the are reproducing.
A
Golgi Body
B
Chromosomes
C
Chromatin
D
Ribosomes
8) Different forms of genes are called
A
chromatin
B
chromosomes
C
alleles
D
phenotypes
9) Who is the father of genetics?
A
Darwin
B
Horne
C
Mendel
D
Einstien
10) The principal of dominance states that
A
that there is always a domainant alllele.
B
that all alleles are domiannt
C
some alleles are dominant and some alleles are recessive.
D
there can never be more than one dominant allele.
*select an answer for all questions
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