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20 questions
The genotypes Tt, Mm, and Gg would be described as __________.
heterozygous
homozygous
Which of the following genotypes is homozygous dominant?
Bb
dd
G
RR
Which of the following genotypes would be considered homozygous recessive?
RR
Bb
dd
g
Physical descriptions such as hair color, eye color, height are known as an organisms ___________.
phenotype
genotype
The same gene can come in different versions, the different versions of a gene are called:
Alleles
Chromosomes
Traits
Another word for heterozygous is
purebred
hybrid
dominant
recessive
Which of the following would produce a recessive phenotype?
hh
Rr
Ww
BB
If your genotype is Bb, then you can only pass a B or b separately to your child but you can't pass both. This is known as the ________.
Law of Dominance
Law of Segregation
Law of Independent Assortment
The ___________ states that a recessive allele is only expressed when a dominant allele is not present.
Law of Dominance
Law of Inheritance
Different traits are inherited independently of each other
Law of independent assortment
Genetics law
What is the phenotypic ratio for the monohybrid cross between blue and brown eyes?
3:1
2:2
0:2:1
1:2:1
Based on the genotypes present in this Monohybrid Punnett square, which eye color is dominant?
brown
blue
Based on the results in the monohybrid punnett square, what is the percent chance of having a child with blue eyes?
75%
50%
25%
0%
Based on the results in the monohybrid punnett square, what is the genotypic ratio?
1:2:1
0:2:2
0:0:4
none
What is the term for a cross that involves just one trait, such as pod shape?
test cross
dihybrid cross
monohybrid cross
homozygous cross
What goes in box 1?
AABb
AABB
aabb
AaBB
This image is an example of a ________ cross.
Monohybrid
Dihybrid
Purebred
Heterozygous
What are the possible genotypes for this cross?
TT=25%, Tt=50%, tt=25%
all tall
TT=75%, tt=25%
Tt=100%
In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed. What percentage of their offspring are expected to have short arms?
0%
25%
75%
100%
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?
GG
Gg
gg
green
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