Genetic Vocabulary Words 1

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  • 1/20 Questions

    Heterozygous is having two different alleles for a single trait Ex:  Bb ( one dominant or one recessive)

    • True
    • False
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About This Quiz

Explore foundational genetics with 'Genetic Vocabulary Words 1'. This quiz covers basic concepts such as genes, chromosomes, DNA, and heredity, and acknowledges Gregor Mendel's contributions. Ideal for learners enhancing their understanding of biological inheritance and genetic material.

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  • 2. 

    The observable characteristics or traits of an organism is called

    • Phenotype

    • Genotype

    Correct Answer
    A. Phenotype
    Explanation
    Phenotype refers to the observable characteristics or traits of an organism, which are influenced by both genetic factors (genotype) and environmental factors. It includes physical traits such as hair color, eye color, and height, as well as behavioral traits. The genotype, on the other hand, refers to the genetic makeup or the specific combination of genes that an organism carries. Therefore, the correct answer is phenotype as it specifically relates to the observable characteristics of an organism.

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  • 3. 

    The Basic unit of heredity that consist of a segment of DNA on a chromosome is a

    • Heredity

    • Gene

    • Offspring

    • Dominant

    Correct Answer
    A. Gene
    Explanation
    A gene is the basic unit of heredity that consists of a segment of DNA on a chromosome. Genes are responsible for the transmission of traits from parents to offspring and determine the characteristics and functions of an organism. They contain the instructions for producing proteins, which play a crucial role in the development and functioning of cells and tissues. Genes can be dominant or recessive, and their variations contribute to the genetic diversity observed within a population.

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  • 4. 

    Homozygous is having identical alleles for a single trait. Ex:  BB or bb ( both dominant or both recessive)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that homozygous refers to having identical alleles for a single trait, meaning that both alleles are either dominant or recessive. In the example given, BB represents homozygous dominant, while bb represents homozygous recessive. Therefore, the statement is true.

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  • 5. 

    A term used to describe an allele that is Not  expressed when combined with a dominant form of the gene.

    Correct Answer
    Recessive
    Explanation
    In genetics, a recessive allele refers to a form of a gene that is not expressed or observed in an individual when it is paired with a dominant allele. This means that the dominant allele will determine the phenotype or physical characteristics of the organism, while the recessive allele remains hidden or masked. The recessive allele is only expressed or observed when an individual possesses two copies of it, one from each parent.

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  • 6. 

    The genetic material found in all living cells that contiain the information needed for an organism to grow, maintainitself, and reproduce is ?

    • RNA

    • DNA

    • MITOCHONDRIA

    • CHLOROPLAST

    Correct Answer
    A. DNA
    Explanation
    DNA is the correct answer because it is the genetic material found in all living cells. It contains the information needed for an organism to grow, maintain itself, and reproduce. DNA carries the instructions for the synthesis of proteins and is responsible for the inheritance of traits from one generation to the next. RNA, mitochondria, and chloroplasts are not the genetic material found in all living cells. RNA is involved in protein synthesis, mitochondria are responsible for energy production, and chloroplasts are found only in plant cells and are responsible for photosynthesis.

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  • 7. 

    A type of feature that can be used to tell two species apart, such as size or bone structure?

    • Cell

    • Trait

    • Nucleus

    • Mendel

    Correct Answer
    A. Trait
    Explanation
    Trait is the correct answer because it refers to a characteristic or feature that can be used to distinguish between different species. Traits can include physical attributes such as size or bone structure, as well as behavioral or genetic characteristics. By observing and comparing traits, scientists can identify and differentiate between different species.

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  • 8. 

    The passing of genes from parent to offspring is

    Correct Answer
    HEREDITY
    Explanation
    Heredity refers to the transmission of genetic information from one generation to the next. It is the process by which traits, characteristics, and genetic material are passed down from parents to their offspring. This passing of genes ensures that certain traits and characteristics are inherited by the offspring, leading to similarities between parents and their children. Heredity plays a crucial role in determining various aspects of an individual's physical and biological makeup, including their appearance, behavior, and susceptibility to certain diseases.

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  • 9. 

    The physical structure in a cell that contains the cell's genetic material is a

    • Chromosome

    • Pedigree

    • Punnet Square

    • Trait

    Correct Answer
    A. Chromosome
    Explanation
    A chromosome is the correct answer because it is the physical structure in a cell that contains the cell's genetic material. Chromosomes are made up of DNA and proteins, and they carry the genes that determine an organism's traits. They are located in the nucleus of the cell and are responsible for passing on genetic information from one generation to the next during cell division.

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  • 10. 

    The likelihood or chance that a specific outcome will occur out of a total number of outcomes.

    • Mathmatical

    • Probability

    • Ratio

    • Stats

    Correct Answer
    A. Probability
    Explanation
    Probability is the measure of the likelihood or chance of a specific outcome occurring out of a total number of possible outcomes. It is a mathematical concept used in statistics and ratio calculations to determine the chances of an event happening. In other words, it quantifies the likelihood of an event occurring and is expressed as a number between 0 and 1, where 0 represents impossibility and 1 represents certainty.

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  • 11. 

    When the offspring of genetically dissimilar parents or stock, especially the offspring produced by breedign plants or animals of different varieties, species, or races is refered to as

    • Good

    • Bad

    • Hybrid

    • Pure breed

    Correct Answer
    A. Hybrid
    Explanation
    When the offspring of genetically dissimilar parents or stock, especially the offspring produced by breeding plants or animals of different varieties, species, or races, is referred to as "Hybrid." A hybrid is the result of crossing two different genetic lines, resulting in offspring that possess a combination of traits from both parents. This term is commonly used in the context of agriculture and animal breeding to describe the offspring that are a mix of different varieties or species.

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  • 12. 

    Selective breeding is the process of breeding plants and animals with specific traits to produce offspring that have these traits.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Selective breeding is indeed the process of intentionally breeding plants and animals with specific traits in order to produce offspring that also possess these desired traits. This practice has been employed by humans for centuries to enhance certain characteristics in domesticated species, such as increased crop yields or improved livestock productivity. By selectively mating individuals with desirable traits, humans can gradually alter the genetic makeup of a population over time. Therefore, the given answer "True" accurately reflects the definition and purpose of selective breeding.

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  • 13. 

    The genetic makeup of an organism is called

    • Phenotype

    • Genotype

    Correct Answer
    A. Genotype
    Explanation
    The genetic makeup of an organism refers to the combination of genes present in its DNA. This combination determines the traits and characteristics that an organism will have. Therefore, the term "genotype" accurately describes the genetic composition of an organism. In contrast, "phenotype" refers to the observable physical and behavioral traits that result from the interaction between an organism's genotype and its environment.

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  • 14. 

    The term that describes the allele that determines the phenotype of an individual organism when two different copies are present in the genotype is?

    • Dominant

    • Recessive

    • Nucleus

    • Eukaryotic

    Correct Answer
    A. Dominant
    Explanation
    The term "dominant" refers to the allele that determines the phenotype of an individual organism when two different copies are present in the genotype. This means that even if there is only one dominant allele and one recessive allele, the dominant allele will be expressed in the phenotype. In other words, the presence of a dominant allele overrides the presence of a recessive allele in determining the physical characteristics of an organism.

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  • 15. 

    An alternate form of a gene for a specific trait or gene product is called

    • Allele

    • Genotype

    Correct Answer
    A. Allele
    Explanation
    An alternate form of a gene for a specific trait or gene product is called an allele. Alleles are different versions of a gene that can produce different variations of a trait. They can be dominant or recessive, and individuals can have two alleles for each gene, one inherited from each parent. The combination of alleles determines an individual's genotype, which in turn influences their phenotype or observable characteristics.

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  • 16. 

    Whe a gene pairs are exactly the same are called ?

    • Pure bred

    • I dont know

    • Allele

    • Dominant

    Correct Answer
    A. Pure bred
    Explanation
    When a gene pairs are exactly the same, they are called pure bred. This term is used to describe organisms that have two identical alleles for a particular gene, which means they will always pass on the same trait to their offspring. Pure bred individuals are often used in breeding programs to maintain specific traits in a population.

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  • 17. 

    An organism produced by one or two parents is called an Offspring that is taken place in Meiosis?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In meiosis, an organism is produced by one or two parents. This process involves the division of cells, resulting in the formation of gametes (sperm and egg cells) that contain half the number of chromosomes compared to the parent cells. These gametes then combine during fertilization to form a new organism, which is referred to as the offspring. Therefore, the statement "An organism produced by one or two parents is called an Offspring that is taken place in Meiosis" is true.

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  • 18. 

    A chart used to show all the ways genes from two parents can combine and be passed to offspring is called ________?

    Correct Answer
    punnett square
    Explanation
    A punnett square is a chart that is used to show all the possible combinations of genes from two parents and how they can be passed on to their offspring. It is a tool commonly used in genetics to predict the probability of certain traits or genetic disorders in the offspring based on the genetic makeup of the parents.

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  • 19. 

    Characteristics offspring receive from their parents

    • Inheritance

    • Nike shoes

    • Big head

    • None of the above

    Correct Answer
    A. Inheritance
    Explanation
    The term "inheritance" refers to the characteristics that offspring receive from their parents. This can include physical traits such as eye color or height, as well as genetic predispositions to certain diseases or conditions. Inheritance is the process by which genetic information is passed down from one generation to the next, allowing for the continuity of traits within a species.

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  • 20. 

    Who is the father of Genetics who was a monk ?

    Correct Answer
    Gregor Mendel
    Explanation
    Gregor Mendel is considered the father of genetics because of his groundbreaking work with pea plants in the 19th century. Mendel's experiments and observations led to the discovery of the fundamental principles of inheritance, including the concepts of dominant and recessive traits, as well as the laws of segregation and independent assortment. His work laid the foundation for modern genetics and revolutionized our understanding of how traits are passed down from parents to offspring.

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  • Oct 09, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 19, 2011
    Quiz Created by
    Coopercs
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