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WorksheetsSB3a Law of Dominance Quiz
Total questions: 15
Worksheet time: 8mins
2 identical alleles for the same trait. John has 2 genes for brown eyes so he is __
dominant
homozygous
heterozygous
allele
recessive
Different alleles for the same trait. Sue has one gene for brown eyes and one gene for blue eyes.
dominant
homozygous
heterozygous
allele
recessive
A specific characteristic. Mendel looked at 7 different ___ in peas such as color and pod shape.
dominant
trait
allele
recessive
One of a number of different forms of a gene. The two ____ for pea color were yellow and green.
dominant
traits
alleles
recessive
The allele that is expressed most often.
dominant
trait
allele
recessive
The allele that is hidden unless both genes are present.
dominant
trait
allele
recessive
John has 2 genes for blue eyes. His genotype is
homozygous
heterozygous
Sally's genotype is heterozygous. Her genotype is written as..
D D
d d
D d
A sequence of DNA that codes for a particular protein and thus determines a trait. There are hundreds of ______ on each chromosome.
Mendel
genes
Darwin
phenotype
genotype
The physical characteristics of an organism that is expressed. John has blue eyes and brown hair.
Mendel
genes
Darwin
phenotype
genotype
Austrian Monk called the Father of Genetics for determining how traits are passed down in pea plants
Mendel
genes
Darwin
phenotype
genotype
The genetic makeup of an organism. John has 2 genes that are homozygous recessive for eye color {e e }
Mendel
genes
Darwin
phenotype
genotype
The likelihood that a particular event will occur. Both Randal and I have blue eyes so the _________ that Baby Ethan will have blue eyes was 100%.
homozygous
heterozygous
probability
phenotype
genotype
Brown eyes are dominant over blue eyes
B - brown eyes b - blue eyes
Baby Ethan is homozygous recessive for blue eyes
Baby Ethan's phenotype is....
brown eyes
blue eyes
B B
B b
b b
Brown eyes are dominant over blue eyes
B - brown eyes b - blue eyes
Baby Ethan is homozygous recessive for blue eyes
Baby Ethan's genotype is....
brown eyes
blue eyes
B B
B b
b b
