Genetics Basic Questions! Quiz

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| By Vbuelow
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Vbuelow
Community Contributor
Quizzes Created: 1 | Total Attempts: 1,825
| Attempts: 1,825
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  • 1/5 Questions

    Gregor Mendel was the person who found the fundamental principles of genetics.

    • True
    • False
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About This Quiz

Genetics is the study of heredity from parents to their offspring. Over the past few weeks, we have been able to cover the basics of this course, and I have prepared so questions that will help you see just attentive you have been so far. Give it a shot and be sure to keep testing your understanding with each new topic.

Genetics Basic Questions! Quiz - Quiz

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  • 2. 

    When the alleles are the same they are called...

    • Heterozygous

    • Homozygous

    • Dominant

    • Recessive

    Correct Answer
    A. Homozygous
    Explanation
    When the alleles are the same, they are called homozygous. Homozygous refers to a condition where an individual has two identical alleles for a particular gene. This can be either two dominant alleles or two recessive alleles. In this case, since the question does not specify whether the alleles are dominant or recessive, we can simply state that when the alleles are the same, they are called homozygous.

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  • 3. 

    Recessive traits are the ones that are expressed.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given statement is false. Recessive traits are not the ones that are expressed. In genetics, recessive traits are only expressed when an individual inherits two copies of the recessive allele. If an individual inherits one copy of the recessive allele and one copy of the dominant allele, the dominant trait will be expressed. Therefore, recessive traits are only expressed in individuals who are homozygous for the recessive allele.

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  • 4. 

    _________ are various alternative forms of a gene for the same trait.

    Correct Answer
    alleles, allele
    Explanation
    Alleles are various alternative forms of a gene for the same trait. An allele is a specific version of a gene that determines a particular characteristic or trait. Different alleles can result in different expressions of the trait, such as different eye colors or blood types. The presence of multiple alleles allows for genetic diversity within a population and contributes to the variation observed in individuals.

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  • 5. 

    A way to predict the offspring of 2 individuals is called a  ________.

    Correct Answer
    punnett square
    Explanation
    A Punnett square is a tool used in genetics to predict the possible combinations of alleles that offspring can inherit from their parents. It is a grid that organizes the different alleles of each parent and shows all the possible combinations that can occur when the parents reproduce. This allows scientists to determine the probability of certain traits or genetic conditions being passed on to the next generation.

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  • Mar 21, 2023
    Quiz Edited by
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  • Apr 11, 2011
    Quiz Created by
    Vbuelow
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