Introduction To Genetics! Trivia Questions Quiz

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1/7 Questions

An organism expressed physical trait is called its _________.
- Genotype
- Law of inheritance
- Phenotype

About This Quiz

Introduction to genetics trivia questions quiz. A person's DNA holds all their genetic information with each cell in the body containing 23 pairs of chromosomes. The study of genetics has been beneficial throughout the years in observing how some diseases or traits are passed on from parents to their offspring. If you think you have basic knowledge of genetics, this See morequiz is for you, give it a shot!

Introduction To Genetics! Trivia Questions Quiz - Quiz

2.

According to the law of independent assortment, the pair of alleles of each parent separate and only one allele passes from each parent on to an offspring.
- True
- False
Correct Answer

A. False

Explanation

The correct answer is the principle of segregation. The law of independent assortment states that different pairs of alleles are passed to offspring independently of each other.

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2
3.

____________ are changes in the DNA sequence of a cell's genome and are caused by radiation, viruses, and chemicals, as well as errors that occur during meiosis or DNA replication.

Correct Answer
mutation

Explanation
Mutations are changes in the DNA sequence of a cell's genome, which can be caused by various factors such as radiation, viruses, chemicals, errors during meiosis, or DNA replication. These changes can alter the genetic information and lead to variations in traits or genetic disorders. Mutations can be beneficial, harmful, or have no significant effect on an organism's phenotype. They play a crucial role in evolution by introducing genetic diversity, which is essential for natural selection and adaptation to changing environments.

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1
4.

If the allele for blue eyes is B and the allele for brown eyes is b, what phenotype will give brown eyes?
- BB
- BB
- Bb
Correct Answer

A. Bb

Explanation

The phenotype that will give brown eyes is "bb". In this question, the allele for blue eyes is represented by "B" and the allele for brown eyes is represented by "b". Since brown eyes are a recessive trait, an individual must have two copies of the "b" allele (bb) in order to express the brown eye phenotype. The other genotypes, bB and BB, have at least one copy of the dominant "B" allele and would result in the expression of the blue eye phenotype.

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5.

Who first described Natural Selection?
- Lineaus
- Darwin
- Jesus
- Weinberg
Correct Answer

A. Darwin

Explanation

Darwin is the correct answer because he is widely recognized as the first person to describe the concept of natural selection. In his book "On the Origin of Species" published in 1859, Darwin presented the theory that species evolve over time through a process of natural selection, where individuals with favorable traits are more likely to survive and reproduce. This groundbreaking work revolutionized the field of biology and remains a fundamental principle in the study of evolution.

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6.

How many chromosomes are in one human cell?
- 24
- 46
- 92
- 12
Correct Answer

A. 46

Explanation

There are 46 chromosomes in one human cell. Chromosomes are thread-like structures that contain DNA and carry genetic information. Humans have 23 pairs of chromosomes, with each pair consisting of one chromosome from each parent. This gives a total of 46 chromosomes in a human cell.

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7.

Sex cells such as the sperm and egg are produced during mitosis.
- True
- False
Correct Answer

A. False

Explanation

Meiosis

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Oct 14, 2010

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Introduction To Genetics! Trivia Questions Quiz

An organism expressed physical trait is called its _________.

Quiz Preview

According to the law of independent assortment, the pair of alleles of each parent separate and only one allele passes from each parent on to an offspring.

____________ are changes in the DNA sequence of a cell's genome and are caused by radiation, viruses, and chemicals, as well as errors that occur during meiosis or DNA replication.

If the allele for blue eyes is B and the allele for brown eyes is b, what phenotype will give brown eyes?

Who first described Natural Selection?

How many chromosomes are in one human cell?

Sex cells such as the sperm and egg are produced during mitosis.