WorksheetsLGE/F: Heredity
Total questions: 30
Worksheet time: 20mins
Name
Class
Date
1.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
2.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
3.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
4.
You get your genes from:
a)
Department Store
b)
Parents
c)
Aunt
d)
Neighbor
5.
The physical appearance of a gene:
a)
Genotype
b)
Heredity
c)
Phenotype
d)
Allele
6.
Homozygous or heterozygous?
BB
BB
a)
Homozygous
b)
Heterozygous
7.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
8.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
9.
___________________________ is the study of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
10.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
11.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
12.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
13.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
14.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
15.
One trait that is ALWAYS present and causes the other traits to disappear is a...
a)
recessive trait.
b)
aggressive trait.
c)
George trait.
d)
dominant trait.
16.
In the punnett square shown, what is the genotypes of the two parents?
a)
RW and RR
b)
RW and WW
c)
RR and WW
d)
RW and RR
17.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
18.
an organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
19.
Dominant or Recessive?
a)
Recessive
b)
Dominant
20.
Pick the GENOTYPE for a pea plant that is Pure Tall:
a)
TT
b)
tt
c)
Tt
21.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
22.
AA and Aa always show up as
a)
dominant
b)
recessive
23.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
24.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
25.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
26.
Which of the characteristics is a lion least likely to pass on to its offspring?
a)
fur color
b)
length of tail
c)
scars on leg
d)
body size
27.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
28.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
29.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
30.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
100 %
