Biology: What Do You Know About Chromosomal Inheritance?

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1/10 Questions

The features of an organism are its
- Clothes
- Characteristics
- Environments
- Species

About This Quiz

What Do You Know About Chromosomal Inheritance? This theory was formed by Walter Sutton in the early nineties and stated that genes could only be found in certain sites of the chromosome. Do you understand the basis for this theory? Do take up the quiz below and get to see just how much you understand the theory. All the best!

Biology: What Do You Know About Chromosomal Inheritance? - Quiz

2.

Characteristics we get from parents have been
- Cloned
- Gifted
- Passed on
- Inherited
Correct Answer

A. Inherited

Explanation

Characteristics we get from parents have been inherited. Inheritance refers to the transmission of traits or characteristics from parents to their offspring through genetic information. It involves the passing on of genetic material, such as DNA, from one generation to the next. Inherited characteristics can include physical traits, such as eye color or height, as well as certain predispositions or tendencies towards certain diseases or behaviors.

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3.

Chromosomes are found in the
- Cell membrane
- Nucleus
- Cytroplasm
- Cytoplasm
Correct Answer

A. Nucleus

Explanation

Chromosomes are found in the nucleus of a cell. The nucleus is a membrane-bound organelle that contains the cell's genetic material, including chromosomes. Chromosomes are structures made up of DNA and proteins, and they carry the genes that determine an organism's traits. The nucleus provides a protected environment for the chromosomes, allowing them to carry out their functions, such as DNA replication and gene expression, without interference from other cellular components. Therefore, the correct answer is nucleus.

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4.

How many chromosomes are in each body cell?
- 23
- 24
- 46
- 44
Correct Answer

A. 46

Explanation

Each body cell contains 46 chromosomes. Chromosomes are thread-like structures made up of DNA that carry genetic information. They are found in the nucleus of every cell in the body. In humans, there are 23 pairs of chromosomes, for a total of 46. These chromosomes contain genes that determine our traits and characteristics.

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5.

Male sex chromosomes are
- XY
- YY
- XX
- ZZ
Correct Answer

A. XY

Explanation

The male sex chromosomes are represented by XY. In humans, males have one X chromosome and one Y chromosome, while females have two X chromosomes. The presence of the Y chromosome determines the development of male characteristics. Therefore, XY is the correct representation of male sex chromosomes.

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6.

Which alleles will only work if there are two copies?
- Dominant
- Homozygous
- Recessive
- Variant
Correct Answer

A. Recessive

Explanation

Recessive alleles will only work if there are two copies because they require both copies of the gene to be present in order to be expressed. If only one copy of the recessive allele is present, the dominant allele will mask its effects. Therefore, for a recessive allele to be expressed, an individual must inherit two copies of the allele, one from each parent.

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7.

Cystic fibrosis is a disease of
- Arms
- Legs
- Worms
- Lungs
Correct Answer

A. Lungs

Explanation

Cystic fibrosis is a genetic disorder that primarily affects the lungs. It causes the production of thick, sticky mucus that clogs the airways and leads to frequent lung infections. This can result in difficulty breathing, chronic coughing, and reduced lung function. While cystic fibrosis can also affect other organs such as the pancreas, liver, and intestines, the lungs are the most commonly affected and significant organ in this disease.

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8.

Down syndrome and sickle cell are caused by
- Solutions
- Mutations
- Variations
- United nations
Correct Answer

A. Mutations

Explanation

Down syndrome and sickle cell are both genetic disorders that are caused by mutations in the DNA. In Down syndrome, there is an extra copy of chromosome 21, which leads to developmental and intellectual disabilities. Sickle cell disease is caused by a mutation in the gene that codes for hemoglobin, resulting in abnormal red blood cells that can cause pain, organ damage, and other complications. Therefore, mutations are the underlying cause of both conditions.

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9.

Evidence for Darwins theory of evolution comes from
- The bible
- Old bones
- Jurassic park
- Fossils
Correct Answer

A. Fossils

Explanation

Fossils provide evidence for Darwin's theory of evolution because they are the preserved remains or traces of ancient organisms. By studying fossils, scientists can observe changes in species over time, including the development of new traits and the extinction of others. Fossils also provide a record of the progression of life on Earth, supporting the idea that species have evolved and diversified over millions of years. The other options, such as the bible, old bones, and Jurassic Park, do not provide direct scientific evidence for evolution.

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10.

Natural selection is known as
- Survival of the richest
- Survival of the fattest
- Survival of the fittest
- Survival of the biggest
Correct Answer

A. Survival of the fittest

Explanation

Natural selection is the process by which organisms with advantageous traits are more likely to survive and reproduce, passing on those traits to future generations. "Survival of the fittest" refers to the idea that the individuals who are best adapted to their environment, in terms of their physical traits and abilities, are the ones most likely to survive and pass on their genes. It does not refer to wealth, size, or weight, but rather to the overall fitness and adaptability of an organism in its specific environment.

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Current Version
Mar 21, 2023

Quiz Edited by
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Sep 18, 2008

Quiz Created by
Griggans

Biology: What Do You Know About Chromosomal Inheritance?

The features of an organism are its

Quiz Preview

Characteristics we get from parents have been

Chromosomes are found in the

How many chromosomes are in each body cell?

Male sex chromosomes are

Which alleles will only work if there are two copies?

Cystic fibrosis is a disease of

Down syndrome and sickle cell are caused by

Evidence for Darwins theory of evolution comes from

Natural selection is known as