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WorksheetsHeredity Review CSMS
Total questions: 54
Worksheet time: 36mins
Name
Class
Date
1.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
2.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
3.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
4.
one set of instructions for an inherited trait
a)
heredity
b)
allele
c)
trait
d)
gene
5.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
6.
an organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
genetics
d)
heterozygous
7.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
8.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
9.
A single piece of coiled DNA found in the cells; contains genes that encode traits.
a)
gene
b)
chromosome
c)
trait
d)
DNA
10.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
11.
Traits that are passed from parents to their offspring are
a)
Acquired traits
b)
Learned Traits
c)
Inherited Traits
d)
Genes
12.
This is a part of the chromosome that carries information and controls a trait
a)
trait
b)
gene
c)
chromosome
d)
offspring
13.
What is the type of gene whose effect can be hidden?
a)
dominant gene
b)
inherited trait
c)
recessive gene
d)
acquired trait
14.
An organism with one recessive gene and one dominant gene is called a
a)
gene
b)
recessive gene
c)
hybrid
d)
dominant gene
15.
What type of gene can hide the effects of a recessive gene?
a)
inherited trait
b)
learned trait
c)
dominant gene
d)
recessive gene
16.
What type of trait is gained by new experiences in the world?
a)
acquired trait
b)
inherited trait
c)
chromosome
d)
gene
17.
The shape of your nose is which type of trait?
a)
acquired trait
b)
inherited trait
18.
Writing in cursive is an example of which trait?
a)
acquired trait
b)
inherited trait
19.
A dog sitting on command is an example of what type of trait?
a)
acquired trait
b)
inherited trait
20.
What type of trait is being able to curl your tongue?
a)
inherited trait
b)
acquired trait
21.
One gene from a pair is called an
a)
Trait
b)
Allele
c)
Genotype
d)
Phenotype
22.
Having 2 different alleles for a trait (also known as a hybrid)
a)
Heterozygous
b)
Homozygous
23.
Having two of the same alleles (also known as purebred)
a)
Homozygous
b)
Heterozygous
24.
To acquire a trait from your parents
a)
recieve
b)
inherit
c)
Gene
d)
Allele
25.
Phenotype is the organisms physical appearance while genotype in the organisms genetic make up
a)
true
b)
False
26.
What is an example of an inherited TRAIT?
a)
speaking English
b)
building a nest
c)
tallness in plants
d)
making a sandwich
27.
What is NOT an example of an inherited TRAIT?
a)
eye color
b)
tongue rolling
c)
handedness
d)
language
28.
Which type of genotype would result in having blue eyes, if B is dominant for brown eyes?
a)
BB
b)
Bb
c)
bb
29.
What would the genotype be for this Punnett Square? B is dominant for brown hair.
a)
2Bb, 2bb
b)
2BB, 2Bb
c)
1BB, 2Bb, 1bb
d)
4Bb
30.
What would the phenotype be for the offsprings? T is dominant for tall pea plants
a)
50% tall, 50% short
b)
25% tall, 75% short
c)
100% tall, 0% short
d)
75% tall, 25% short
31.
What genotype would a child have to have in order to be left handed? R is dominant for right handed.
a)
rr
b)
Rr
c)
RR
32.
How many pairs of chromosomes do humans have? (Remember: This is half of the total...46)
a)
10
b)
23
c)
11
d)
15
33.
How many total chromosomes are in a human?
a)
23
b)
46
c)
13
d)
100000
34.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair? Create a punnett square.
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair? Create a punnett square.
a)
none
b)
3/4
c)
1/2
d)
all
35.
In mussels, the allele for brown coloring (B) is dominant, and the allele for blue coloring(b) is recessive. For which parental genotypes are 100% of the offspring expected to be blue?
a)
BbxBb
b)
bbxbb
c)
BBxbb
d)
BBxBB
36.
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
37.
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? Create a punnett square.
a)
25%
b)
50%
c)
75%
d)
100%
38.
The genotype of an organism describes the
a)
codons that make up the genes
b)
number of gene's on the chromosmes
c)
genetic make-up of a trait
d)
type of chromosomes in the nucleus
39.
Mark is a tall, 11 year old boy. He has a scar on his right cheek. He is intelligent and an excellent drummer. Which of his traits did he most likely inherit?
a)
height
b)
the scar
c)
his intelligence
d)
ability to play drums
40.
What characteristic would a child not inherit from parents?
a)
freckles
b)
eye color
c)
hair style
d)
dimples
41.
Two heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?
Create a punnett square.
Create a punnett square.
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
42.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled by creating a punnett square. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled by creating a punnett square. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
43.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
44.
T = tall and t = short
TT and Tt would result in the following phenotype. Create a punnett square to help you.
TT and Tt would result in the following phenotype. Create a punnett square to help you.
a)
short
b)
tall
c)
both tall and short
d)
neither tall or short
45.
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
46.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
47.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
48.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
49.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
Create a punnett square to help you.
Create a punnett square to help you.
a)
0 %
b)
25%
c)
50%
d)
75%
50.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
51.
AA and Aa always show up as
a)
dominant
b)
recessive
52.
aa always shows up as
a)
dominant
b)
recessive
53.
Aa is
a)
homozygous
b)
heterozygous
54.
If the dominant allele (B) represents brown hair and the recessive allele (b) represents blonde hair, which offspring represents a homozygous recessive genotype?
a)
BB
b)
Bb
c)
blonde
d)
bb
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