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Genetics Vocab

Total questions: 69

Worksheet time: 46mins

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.
genetic makeup
a)
phenotype
b)
genotype
c)
heterzygous
d)
allele
8.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
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.
One of the different forms of the same gene for a particular trait.
a)
dominant
b)
recessive
c)
allele
d)
gene
12.
A unit of heredity that occupies a specific location on a chromosome
a)
allele
b)
trait
c)
gene
d)
DNA
13.
The physical expression of a trait as a result of its genotype.
a)
heredity
b)
gene
c)
allele
d)
phenotype
14.
A gene that can be controlled by a dominant form of the gene.
a)
acquired
b)
recessive
c)
inherited
d)
dominant
15.

Female's sex cell.

a)

dominant

b)

recessive

c)

egg

d)

sperm

16.
 A gene that controls its recessive form and determines the phenotype. 
a)
dominant
b)
homozygous
c)
genetic
d)
genotype
17.
The genetic makeup for a trait.
a)
genotype
b)
phenotype
c)
gene
d)
allele
18.
The study of heredity.
a)
inheritance
b)
genetics
c)
mitosis
d)
meiosis
19.
One of many portions of a DNA molecule that has genetic instructions.
a)
allele
b)
trait
c)
chromosome
d)
gene
20.
The passing of traits from parents to offspring.
a)
heredity
b)
genetics
c)
inheritance
d)
mitosis
21.
What does purebred mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
22.
What does hybrid mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
23.
Which of the following represents a recessive genotype?
a)
RR
b)
Rr
c)
rr
d)
RrQq
24.
What type of letter is used to represent dominant traits?
a)
capital
b)
lowercase
25.
What type of letter is used to represent recessive traits?
a)
capital
b)
lowercase
26.
Which of the following represents a hybrid genotype?
a)
HH
b)
hh
c)
Hh
d)
HHJJ
27.
the different forms of a gene
a)
genetics
b)
allele
c)
phenotype
d)
codominance
28.
an organism's physical appearance, or visible traits.
a)
genotype
b)
allele
c)
phenotype
d)
codominance 
29.
one whose trait always shows up in the organism when the allele is present.
a)
dominant allele
b)
recessive allele
c)
homozygous
d)
heterozygous
30.
is hidden whenever the dominant allele is present.
a)
dominant allele
b)
recessive allele
c)
homozygous
d)
heterozygous
31.
an organism's genetic makeup, or allele combinations.
a)
phenotype
b)
purebred
c)
genotype
d)
hybrid
32.
the offspring of many generations that have a same form of a trait.
a)
genotype
b)
hybrid
c)
phenotype
d)
purebred
33.
an organism that has two DIFFERENT alleles for a trait.
a)
hybrid
b)
phenotype
c)
purebred
d)
genotype
34.
the scientific study of heredity.
a)
genetics
b)
characteristics
c)
traits
d)
genes
35.

the study of how traits are passed from parent to offspring.

a)

purebred

b)

characteristics

c)

genes

d)

genetics

36.
An allele whose trait always shows up in the organism when the allele is present
a)
DNA
b)
Dominant allele
c)
Trait
37.
A characteristic that an organism can pass on to its offspring through its genes (physical)
a)
Trait
b)
Expression (gene)
c)
Allele 
38.
An organism’s physical appearance or visible traits“What you look like”
a)
DNA
b)
Phenotype
c)
Genotype
d)
Mutation
39.
The set of information that controls a trait
a)
Dominant allele
b)
Genotype
c)
Gene
40.
An organism’s genetic makeup
a)
Homozygous
b)
Mutation
c)
Allele
d)
Genotype
41.
An allele that is masked when a dominant allele is present
a)
Genotype
b)
Gene
c)
Recessive allele
42.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
43.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
44.
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
45.
one set of instructions for an inherited trait
a)
heredity
b)
allele
c)
trait
d)
gene
46.
one of the alternative forms of a gene that governs a characteristic, such as hair color
a)
allele
b)
gene
c)
trait
d)
DNA
47.
What does hybrid mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
48.
the scientific study of heredity.
a)
genetics
b)
characteristics
c)
traits
d)
genes
49.
a sequence of DNA that determines a trait and is passed from parent to offspring.
a)
gene
b)
hybrid
c)
purebred
d)
trait
50.
The different forms of a trait that make up a gene pair. 
a)
genotypes
b)
phenotypes
c)
alleles
d)
DNA
51.
Part of DNA located on the chromosomes.
a)
nucleus
b)
genes
c)
alleles
d)
ribosomes
52.

A characteristic of an organim.

a)

trait

b)

genotype

c)

allele

d)

gene

53.

The child of a parent (person or animal)

a)

hybrid

b)

purebred

c)

recessiv

d)

offspring

54.

The physical appearance of a trait

a)

dominant

b)

recessive

c)

phenotype

d)

genotype

55.

The allele combination of genes for a trait

a)

dominant

b)

recessive

c)

phenotype

d)

genotype

56.

An organism with two different forms of a trait

a)

hybrid

b)

purebred

c)

dominant

d)

recessive

57.

An organism with two of the same form of a trait

a)

hybrid

b)

purebred

c)

dominant

d)

recessive

58.

A genetic factor that is blocked by another genetic factor

a)

hybrid

b)

purebred

c)

dominant

d)

recessive

59.

A genetic factor that blocks another genetic factor

a)

hybrid

b)

purebred

c)

dominant

d)

recessive

60.

An organism’s genetic material - instructions

a)

DNA

b)

Chromosomes

c)

Gene

d)

Allele

61.

A threadlike structure carrying DNA in the form of genes

a)

DNA

b)

Chromosomes

c)

Gene

d)

Allele

62.

The study of how traits are passed from parent to offspring (Heredity)

a)

DNA

b)

gene

c)

genetics

d)

heterozygous

63.

A section of DNA on a chromosome that controls one trait

a)

gene

b)

hybrid

c)

allele

d)

trait

64.

Fred and Wilma Flinstone had a baby with red hair. Red hair is recessive to black hair. Wilma has red hair and Fred has black hair. What is the only possibility for Fred's hair genotype?

a)

BB

b)

Bb

c)

bb

65.

Fred and Wilma Flinstone had a baby with red hair. Red hair is recessive to black hair. Wilma has red hair and Fred has black hair. What is the percentage chance for them to have a red haired child?

a)

1/4 or 25%

b)

2/4 or 50%

c)

3/4 or 75%

d)

4/4 or 100%

66.

What letter combination should be in Block A?

a)

BB

b)

Bb

c)

bb

67.

What letter combination should be in Block B?

a)

BB

b)

Bb

c)

bb

68.

What letter combination should be in Block C?

a)

BB

b)

Bb

c)

bb

69.

What letter combination should be in Block D?

a)

BB

b)

Bb

c)

bb

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