Genetics Test: Can You Identify The Image?

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Genetics Test: Can You Identify The Image? - Quiz


In biology class, we got to cover much about the human body and even went on to see what some of the structures within our body and genes look like. Do you feel confident that you can answer the following questions correctly by identifying the images and matching it to its name? Give this test a shot and get some practice.


Questions and Answers
  • 1. 

    What is structure "A"

    • A.

      Gene

    • B.

      Chromosome

    Correct Answer
    B. Chromosome
    Explanation
    Structure "A" refers to the chromosome. Chromosomes are thread-like structures made up of DNA molecules that contain the genes. Genes are segments of DNA that carry the instructions for making proteins, which are the building blocks of life. Therefore, the correct answer is Chromosome.

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  • 2. 

    What is structure "B"?

    • A.

      Gene

    • B.

      Chromosome

    Correct Answer
    B. Chromosome
    Explanation
    Structure "B" refers to a chromosome. Chromosomes are thread-like structures made up of DNA and proteins that carry genetic information in the form of genes. They are found in the nucleus of cells and play a crucial role in the inheritance and transmission of traits from one generation to another.

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  • 3. 

    Which is recessive?

    • A.

      H

    • B.

      H

    Correct Answer
    B. H
    Explanation
    The lowercase "h" is recessive. In genetics, uppercase letters represent dominant traits, while lowercase letters represent recessive traits. Therefore, if both uppercase "H" and lowercase "h" are present, the dominant trait will be expressed. However, if only the lowercase "h" is present, the recessive trait will be expressed.

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  • 4. 

    Which is dominant?

    • A.

      H

    • B.

      H

    Correct Answer
    A. H
    Explanation
    In this question, "H" is the correct answer because it is capitalized while "h" is not. Capital letters are typically considered dominant over lowercase letters.

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  • 5. 

    In humans, which sex has the 'Y" chromosome?

    • A.

      Male

    • B.

      Female

    Correct Answer
    A. Male
    Explanation
    The 'Y' chromosome is found in males. This chromosome is responsible for determining the sex of an individual. Males have one 'Y' chromosome and one 'X' chromosome, while females have two 'X' chromosomes. The presence of the 'Y' chromosome in males leads to the development of male reproductive organs and characteristics.

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  • 6. 

    What is structure "C"?

    • A.

      Nucleus

    • B.

      Chromosome

    • C.

      Chloroplast

    Correct Answer
    A. Nucleus
    Explanation
    The correct answer is nucleus. The structure "C" refers to the nucleus, which is a membrane-bound organelle found in eukaryotic cells. It contains the cell's genetic material, DNA, and is responsible for controlling the cell's activities. The nucleus plays a vital role in cell division, gene expression, and the overall regulation of cellular functions. Chromosomes are found within the nucleus, but they are not the structure itself. Chloroplasts, on the other hand, are organelles found in plant cells that are responsible for photosynthesis and are not related to the structure "C".

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  • 7. 

    What is this structure?

    • A.

      DNA

    • B.

      Smooth ER

    Correct Answer
    A. DNA
    Explanation
    DNA is a molecule that contains the genetic instructions for the development and functioning of all living organisms. It is the hereditary material that carries the information needed for the growth, reproduction, and functioning of cells. DNA is composed of nucleotides and is organized into structures called chromosomes. It is responsible for transmitting genetic traits from one generation to the next.

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  • 8. 

    What is the phenotype of A?

    • A.

      Horns

    • B.

      No Horns

    • C.

      HH

    Correct Answer
    B. No Horns
    Explanation
    The phenotype of A is "No Horns" because the given answer "No Horns" corresponds to the genotype "HH" which indicates that the individual does not possess the allele for horns.

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  • 9. 

    The basic units that pass on traits in organisms are:

    • A.

      Genes

    • B.

      Cells

    • C.

      Chromsosomes

    Correct Answer
    A. Genes
    Explanation
    Genes are the basic units that pass on traits in organisms. They are segments of DNA located on chromosomes within the cells. Genes contain the instructions for the production of proteins, which play a crucial role in determining an organism's physical characteristics and traits. Through the process of inheritance, genes are passed from parents to offspring, allowing for the transmission of traits from one generation to the next. Therefore, genes are the fundamental units responsible for the hereditary traits observed in organisms.

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  • Current Version
  • Nov 29, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 06, 2009
    Quiz Created by
    Chessboywonder

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