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Heredity review

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.
Structural changes to genes may affect proteins and therefore result in harmful, beneficial, or neutral effects to the structure and function of the organism. Which type of mutation below could affect protein creation?
a)
point mutation and substitution only
b)
Inversion and insertion only
c)
Inversion, insertion, and deletion
d)
All types of mutation could affect protein creation.
2.

Genes found on chromosomes are responsible for directing the synthesis of certain proteins. These proteins are responsible for the ____________ seen in an organism.

a)

offspring

b)

traits

c)

cells

d)

chromosomes

3.

Scarlett and Rohan are expecting a baby. Each human cell contains a total of 46 chromosomes, which are inherited from both parents during fertilization. How many chromosomes will their child receive from each parent?

a)

46 from each parent

b)

23 from each parent

c)

12 from each parent

d)

46 from one parent and none from the other

4.

Grace is learning about how her body works. She discovers that __________ are responsible for carrying out most functions in cells and are composed of amino acids.

a)

chromosomes

b)

proteins

c)

genes

d)

lipids

5.
Only one parent is involved in the process of asexual reproduction. Why is this an advantage?
a)
DNA passed from the parent will have a mutation and the mutation gets passed to the offspring
b)
It can be done at any time and is useful in the repair and/or replacement of body parts that have been damaged or lost.
c)
It can take awhile to find a mate
d)
Even if one of the sex cells has a negative mutation or a weak trait in its DNA, the other sex cell is likely to be “normal.”
6.

Anika and Arjun are learning about how living things create offspring. They discover that a process requiring two parents whose genetic information is combined is called __________reproduction.

a)

punnett square

b)

proteins

c)

traits

d)

sexual

7.

Elijah is studying genetics in his biology class. He learns that a gene mutation has just occurred in a population of fruit flies he is observing. Which of the following would be the most immediate result of this gene mutation in one of the fruit flies?

a)

A change in a protein produced by the organism

b)

Increased reproductive success of the organism

c)

Shortened life span of the organism

d)

Decreased need for resources by the organism

8.
What is number 1?
a)
genes
b)
traits
c)
proteins
d)
chromosomes
9.
What is number 2?
a)
genes
b)
traits
c)
proteins
d)
chromosomes
10.

Michael and Anika are planning to have a child. In humans, curly hair is dominant (C) over straight hair (c). The Punnett square below shows a cross between Michael and Anika. What do the two letters on either side of the Punnett square represent?

a)

The outcome of hair texture for the offspring

b)

The allele combination that would be found on the mother’s gene

c)

The allele combination that would be found on the father’s gene

d)

The allele combination for each parent for the hair texture gene

11.

Ava notices that some members of her community have difficulty with muscle coordination and brain function due to Huntington’s disease, a genetic mutation. What would most likely be observed in humans who inherit this genetic disease?

a)

A decrease in the efficiency of cellular respiration

b)

A change in the production of specific proteins

c)

An increase in the speed of nerve cells

d)

A change in the cellular membranes of muscles

12.
What is number 3?
a)
genes
b)
traits
c)
proteins
d)
chromosomes
13.
50% of genetic information from bother parents, requires 2 parents, and results in diverse population. Which of the following does this describe?
a)
asexual reproduction
b)
sexual reproduction
c)
both
14.

Anika has a garden where she grows potatoes. Each potato plant can grow new potatoes from a single potato without needing another plant. The new potatoes are exactly like the parent potato, and all their genetic information comes from that one parent. Which of the following does this describe?

a)

asexual reproduction

b)

sexual reproduction

c)

both

15.

Which of the following best describes a gene?

a)

A reproductive organ

b)

A physical characteristic

c)

A type of cell

d)

A segment of DNA that codes for a protein

16.

Charlotte is studying two types of plant reproduction in her biology class. She learns that one type involves two parent plants and results in offspring with different traits, while the other type involves just one parent and produces identical offspring. What is the main advantage of the first type of reproduction?

a)

It produces identical offspring

b)

It increases genetic diversity

c)

It requires only one parent

d)

It is faster

17.

A mutation in a gene can lead to which of the following outcomes?

a)

No change in the organism

b)

A beneficial trait

c)

A harmful trait

d)

Any of the above

18.

Which of the following best explains why offspring produced by sexual reproduction are genetically unique?

a)

They inherit all their DNA from one parent

b)

They inherit a combination of genes from both parents

c)

They have no mutations in their DNA

d)

They are produced by binary fission

19.

Which process results in offspring that are genetically identical to the parent?

a)

Genetic recombination

b)

Asexual reproduction

c)

Sexual reproduction

d)

Cross-pollination

20.

What is the role of chromosomes in inheritance?

a)

They determine the physical environment of an organism

b)

They produce energy for the cell

c)

They carry genetic information from parents to offspring

d)

They control the rate of mutation

21.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
22.

How do traits like eye color and hair type get passed down from parents to their children? Scientists call this process heredity (passing genetic features from one generation to the next).

a)

genotype

b)

parent

c)

heredity

d)

offspring

23.
Is binary fission sexual or asexual?
a)
sexual
b)
asexual
24.
Heredity is...
a)
the study of Genetics.
b)
the passing down of traits.
25.

Where are chromosomes found in the cell?

a)

Mitochondria

b)

Ribosome

c)

Nucleus

d)

Cytoplasm