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WorksheetsGenetics Child Care Quiz #1
Total questions: 60
Worksheet time: 2hrs 44mins
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
phenotype
dominance
genotype
trait
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
tall
short
medium
not enough info
Red (R) is dominant over white (r). How can a flower be white?
It can have RR and be white.
It has to have rr.
It has to have rR
There is no way it can be white until the third generation.
In guinea pigs, the alleles for black hair(B) is dominant to the allele for brown hair(b). Two black-haired guinea pigs are crossed. One of the pigs is homozygous for black hair and one is heterozygous. What percentage of their offspring are expected to have black hair?
25%
50%
75%
100%
It is the trait that is always expressed and written in capital letters.
Dominant allele
Recessive allele
DNA
RNA
Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?
Gg
gg
GG
none of these
Which of the following is a heterozygous dominant genotype?
GG
gg
GGG
Gg
In Mendel's pea plants, the homozygous recessive phenotype was white flowers. If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?
white and purple
white
purple
lavendar
What percentage of the offspring will be purebred dominant?
0%
25%
50%
75%
Dominant alleles are represented by a(n)
phenotype
lower case letter
upper case letter
punnett square
What type of traits "show up" in a population more often?
dominant
recessive
punnett squares
alleles
True or False:
A heterozygous dominant trait can be written as BB.
True
False
Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?
RR
Rr
rr
If two purebred species (BB) are crossed, what percentage of their offspring would be BB?
25%
50%
75%
100%
What do you call the physical expression of a gene?
genotype
dominant
phenotype
allele
Short hair (S) is dominant to long hair (s).
What is the genotype for an offspring with long hair?
SS
Ss
ss
What percentage of the offspring will be heterozygous dominant?
100%
75%
50%
25%
If a pea plant were homozygous recessive for height, how would its alleles be represented?
TT
Tt
tt
tT
The letters on the TOP AND SIDE of a punnett square represent ______________.
The combination of alleles in offspring.
The possible alleles given by the parents following meiosis.
The genotype and phenotype of offspring.
The results of genetic mutations in offspring.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
0 %
25%
50%
75%
Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?
Gg
gg
GG
none of these
Which of the following is a heterozygous dominant genotype?
GG
gg
GGG
Gg
In Mendel's pea plants, the homozygous recessive phenotype was white flowers. If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?
white and purple
white
purple
lavendar
What percentage of the offspring will be purebred dominant?
0%
25%
50%
75%
Dominant alleles are represented by a(n)
phenotype
lower case letter
upper case letter
punnett square
What type of traits "show up" in a population more often?
dominant
recessive
punnett squares
alleles
True or False:
A heterozygous dominant trait can be written as BB.
True
False
D = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?
DD
Dd
dd
Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?
RR
Rr
rr
If two purebred species (BB) are crossed, what percentage of their offspring would be BB?
25%
50%
75%
100%
What do you call the physical expression of a gene?
genotype
dominant
phenotype
allele
Short hair (S) is dominant to long hair (s).
What is the genotype for an offspring with long hair?
SS
Ss
ss
What percentage of the offspring will be heterozygous dominant?
100%
75%
50%
25%
What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?
Genesis
Elective traits
Alleles
Quadrants
If green is dominant over purple, then what is the genotype for this individual?
Purple
Green
GG
gg
If a pea plant were homozygous recessive for height, how would its alleles be represented?
TT
Tt
tt
tT
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
Gene
Allele
Codon
Nucleotide
The letters on the TOP AND SIDE of a punnett square represent ______________.
The combination of alleles in offspring.
The possible alleles given by the parents following meiosis.
The genotype and phenotype of offspring.
The results of genetic mutations in offspring.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
0 %
25%
50%
75%
Gregor Mendel is known as the father of _________
Modern Medicine
Father of the Green Revolution
Father of Genetics
The Pea Plant Man
What do we call the table used to calculate the probability of an offspring's genotype?
Punnett square
Venn diagram
Golden ratio
Fibonacci sequence
Which is the correct phenotype for this organism?
BB
blue
green
bb
The study of Heredity
science
genetics
english
gene
Organisms that always produce offspring with the same traits are known as
purebred
hybrid
dominant trait
recessive trait
Who is considered the "father" of modern genetics?
Einstein
Mendel
Disney
Washington
TT,tt,PP,pp,SS,ss are examples of alleles that are?
homozygous
heterozygous
different
homologous
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
phenotype
dominance
genotype
trait
Y for yellow body is dominant over y for blue body. What alleles would produce yellow bodies?
YY,yy
Yy,yy
YY only
YY,Yy
A physical characteristic that can be passed from parent to offspring.
behavior
trait
strong muscles
ability to fly a plane.

A characteristic that is passed from parent to offspring
inherited trait
chromosome
pedigree
DNA
