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Worksheets10.2 Genetics & Punnett Squares
Total questions: 18
Worksheet time: 35mins
Who was the Austrian monk that experimented on pea plants and is called the "father of genetics"? (a)
The physical appearance of a trait is known as the-
genotype
phenotype
Homozygous
intelligence
Which of the following is/are an example(s) of a phenotype? Select all that apply.
tall
purple
AA
wrinkled
bb
Different versions of a trait (tall or short, white or purple) are called
alleles
traits
versions
genes
If something is heterozygous, it is also _____
purebred
hybrid
dominant
recessive
The genotype for a yellow plant is...
If A = red fur and a = white fur, what color fur would Aa be?
red
white
purple
blue
Match the following vocabulary words with their definitions
Genetics
The Scientific study of heredity
Heredity
The process in which characteristics are passed down from parents to offspring.
Trait
An organism's characteristics.
Genotype
The specific genetic make up or "code" for an individual.
Phenotype
The total physical appearance for an individual.
Which of the following genotypes is homozygous dominant?
A
Aa
AA
aa
A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring.
50% heterozygous and 25% homozygous recessive
50% heterozygous and 50% homozygous recessive
100% homozygous recessive
25% heterozygous and 50% homozygous
What are the possible genotypes for this cross?
TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%
If brown eyes are dominant over blue eyes, what would be the parent genotypes if two heterozygous brown eyed persons were crossed?
BB and bb
BB and Bb
Bb and Bb
bb and Bb
In plants, tall (T) is dominant to short (t). Draw a punnett square and perform the following cross: Tt x Tt
What is the probability of producing a short plant?
0%
25%
50%
75%
What genotype would go in box 2? And is it Homozygous or Heterozygous?
BB Heterozygous
Bb Heterozygous
bb Homozygous
Bb Homozygous
Having a Widow's Peak is dominant (W) over not having one (w). If parent A (WW) and parent B (ww) have a child, what is the likelihood that--
The child will have a widow's peak
100%
The child will not have a widow's peak
0%
The genotype of these children
Ww
Which of the following must be the father's genotype?
RR
Rr
rr
