WorksheetsGenetics Test Study Guide
Total questions: 35
Worksheet time: 25mins
Traits that we inherit from our parents are learned but other traits can be ________.
acquired
given
learned
backwards
Choose the types of reproduction that produce offspring?
A. asexual
B. copying
C. recessive
D. sexual
What is a type of reproduction that only needs one parent?
A. sexual
B. dominant
C. genes
D. asexual
What is the name of the structures that DNA is organized into?
A. organisms
B. groups
C. traits
D. chromosome
What is the passing of traits from one generation to the next?
A. genetics
B. heredity
C. sexual reproduction
D. trait transfer
Genes come in pairs. What are they called?
A. genotypes
B. traits
C. DNA
D. alleles
What kind of allele is masked by the stronger allele.
A. recessive
B. dominant
C. bully
D. tiny
Which allele is the stronger one?
A. the bigger one
B. dominant
C. inherited
D. recessive
What is the name of the Austrian monk that did experiments on pea plants?
A. Megor Grendal
B. Rick McCallum
C. Gregor Mendel
D. Stanley Mendal
What kind of reproduction that needs two parents?
A. asexual
B. reproductive
sexual
recessive
Which of the below does DNA contain?
A. a nucleus
B. a double helix
C. genetic information
D. all of the above
When an organism has two of the same allele, it is ________
phenotype
genotype
heterozygous
homozygous
Mendel discovered that there were _______ traits passed a parent's offspring.
allele
dominant & recessive
big & small
asexual & sexual
The instructions of DNA are coded in a certain way. What are these called?
groups
base pairs
acids
nucleic
Genes that can not be observed are called
alleles
phenotype
traits
genotype
Traits that are visible in an organism is called its _________
phenotype
recessive
traits
genotype
What are proteins in DNA responsible for?
our physical appearance and our behavior
dominate & recessive
what we like and don’t like
sexual & asexual reproduction
Can a heterozygous recessive genotype ever exist?
no, because heterozygous can only be Bb
no, because heterozygous must be BB
yes, because heterozygous is the same
yes, because heterozygous can be bb
What is located on the chromosomes of DNA.
trait
protein
genetic information
gene
When someone studies how genes interact and traits are passed down from parent to offspring that are studying what?
inheritance
genetics
chemistry
biology
What does DNA stand for? YOU MUST BE ABLE TO SPELL IT!
Dioxicriboneuclic Acid
DNA
Dioxirebonucleik Acid
When an organism has two different alleles it will be
heterozygous
phenotype
homozygous
genotype
How many pairs of chromosomes do humans typically have?
23
46
12
92
In sexual reproduction there will be more________
A. miniature offspring
B. genetic variation
C. alleles
D. multiple offspring
In genetics, what does the term "homozygous" refer to?
Having two different alleles for a trait
Having two identical alleles for a trait
The study of genes and their roles in inheritance
A type of genetic cross
Heterozygous refers to 2 alleles that are _________________ .
neutral
same
different
stable
Match the following combinations of alleles:
Homozygous dominant
DD
Homozygous recessive
dd
Heterozygous
Dd
Match the following
Homozygous
Having two identical alleles for a given gene
Heterozygous
Having two different alleles for a given gene
Phenotype
The physical traits of an organism determined by genetic makeup
Genotype
The genetic makeup or set of alleles of an organism
Allele
Alternative form of a gene
(a) alleles are always expressed when they are present.
(b) alleles are only expressed when the dominant one is not present.
The passing of traits from parents to offspring is known as....
hierarchy
heredity
traits
genetics
What did Gregor Mendel use to study the inheritance of traits?
Fruit flies
Pea plants
Mice
Bacteria
Fill in the Punnett square
TT
Tt
tt
Click on each of the offspring that would be red if this trait displayed simple dominance.
