Genotype And Phenotype DNA

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| By Jared
Community Contributor
Quizzes Created: 1 | Total Attempts: 274
Questions: 12 | Attempts: 274

Genotype And Phenotype DNA - Quiz

Let's take this quiz and learn more about Genotype and phenotype DNA. All the best!

Questions and Answers
  • 1. 

    Type response below

  • 2. 

    1. Law of segregation : 2 alleles for each trait separate during meiosis2. Law of Independent Assortment: When 2 or more traits are inherited, independent assortment takes place during meiosis giving each trait an equal opportunity of occurring together3. Law of Dominance: One factor of an inherited pair is dominant over the other unless both are recessive

  • 3. 

    Genetics is

    The study of genetics involves examining how traits and characteristics are passed down from one generation to another. It focuses on understanding the mechanisms behind heredity, including the transmission of genes and the role they play in determining traits and diseases. By studying genetics, scientists can gain insights into inheritance patterns, genetic variation, and the impact of genes on health and development.

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  • 4. 


  • 5. 


    Alleles are different forms of a gene that can exist at the same locus (position) on a chromosome. Each individual inherits two alleles, one from each parent, for each gene. These alleles can be either dominant or recessive, and they determine the traits or characteristics of an organism. The presence of different alleles in a population contributes to genetic variation and is passed down from one generation to the next through sexual reproduction.

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  • 6. 

    Dominant Gene

    In genetics, a dominant gene refers to a gene that is expressed and determines a particular trait in an individual. When two parents with different traits are crossed, the offspring in the first generation (F1) will inherit one dominant gene from one parent, resulting in the appearance of the dominant trait in the F1 generation. Therefore, the correct answer is "The trait that appeared in the F1 generation."

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  • 7. 

    Recessive gene

    In genetics, a recessive gene is a gene that is overshadowed or masked by a dominant gene. In the F1 generation, which is the first generation of offspring resulting from the crossbreeding of two different parents, the dominant gene is expressed, while the recessive gene remains hidden or masked. Therefore, the correct answer is "The trait that was masked in the F1 generation."

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  • 8. 

    Genotype and Phenotype

    The answer correctly states that an organism's genotype refers to its allele pairs, which are the different forms of a gene. These allele pairs determine the genetic makeup of an organism. On the other hand, an organism's phenotype refers to its outward and observable characteristics, such as its physical appearance, behavior, and other traits. The genotype influences the phenotype, as the specific combination of alleles determines how the genes are expressed and manifest in the organism's observable traits.

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  • 9. 

    Punnett Square

    The Punnett Square is a gridwork used to determine the possible genetic outcomes of a mating between two individuals. It helps to visualize the different combinations of alleles that can be passed on from each parent to their offspring. By filling in the grid with the alleles of each parent, the Punnett Square allows us to predict the probabilities of different genotypes and phenotypes in the offspring. It is a useful tool in genetics for understanding inheritance patterns and predicting the outcomes of genetic crosses.

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  • 10. 

    Sex-linked traits

    Sex-linked traits are genetic characteristics that are determined by genes located on the sex chromosomes, specifically the X chromosome. In this case, the explanation suggests that the trait in question attaches to the X chromosome, indicating that it is a sex-linked trait. It also states that females are usually only carriers of the trait, which means they can pass it on to their offspring but may not exhibit the trait themselves. This explanation provides a concise understanding of sex-linked traits and their inheritance patterns.

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  • 11. 


    A karyotype refers to a complete set of chromosomes that have been arranged and organized according to their size, shape, and other characteristics. It allows for the examination and analysis of an individual's genetic makeup, as well as the identification of any chromosomal abnormalities or genetic disorders. The term "branded" in the answer seems to be a typographical error or a misinterpretation, as it is not relevant to the concept of karyotype.

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  • 12. 


    Codominance is a type of inheritance where both alleles of a gene are expressed in the phenotype of an individual. This means that neither allele is dominant over the other, and both contribute to the observable traits. As a result, the characteristics of both alleles are visible in the phenotype, leading to a unique expression that differs from the typical dominant-recessive relationship. In codominance, there is no blending or mixing of traits; instead, both alleles are fully expressed, resulting in a distinct phenotype.

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  • 13. 

    Incomplete dominance

    Incomplete dominance refers to a genetic phenomenon where neither the dominant nor the recessive trait is fully expressed, resulting in a blending of the two traits. In this case, the answer suggests that blending of dominant and recessive traits is the result of incomplete dominance. This means that the offspring will display a phenotype that is intermediate between the two parents, rather than exhibiting one trait dominating over the other.

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  • Mar 22, 2023
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