Gessner and Galen in Zoology History
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Questions and Answers

Who is known as the father of modern zoology?

  • Galen
  • Marcello Malpighi
  • Antoine van Leeuwenhoek
  • Conrad Gessner (correct)

    • Galen's works became the standard in medicine during the Middle Ages.

    True

    What is the title of Conrad Gessner's 5-volume study?

    Historia Animaum

    William Harvey demonstrated the circulation of ______.

    <p>blood</p> Signup and view all the answers

    Match the scientists to their contributions:

    <p>Conrad Gessner = Father of Modern Zoology Galen = Anatomical studies for medicine Marcello Malpighi = Role of capillaries Antoine van Leeuwenhoek = Invented the simplest microscope</p> Signup and view all the answers

    Which method of classification did Conrad Gessner use for his studies?

    <p>Same as Aristotle</p> Signup and view all the answers

    Antoine van Leeuwenhoek's microscope was complex with multiple lenses.

    <p>False</p> Signup and view all the answers

    What vital function did William Harvey study?

    <p>The motion of the heart and blood circulation</p> Signup and view all the answers

    Which type of speciation involves populations that occupy overlapping geographic areas?

    <p>Parapatric speciation</p> Signup and view all the answers

    Sympatric speciation occurs when populations are geographically isolated from each other.

    <p>False</p> Signup and view all the answers

    What is a defining characteristic of parapatric speciation?

    <p>Reproductive isolation along a common border</p> Signup and view all the answers

    In __________ speciation, new species are formed without physical barriers.

    <p>sympatric</p> Signup and view all the answers

    Match the form of speciation with its definition:

    <p>Allopatric speciation = Geographic isolation leads to speciation Parapatric speciation = Adjacent populations with overlapping areas Sympatric speciation = Speciation without physical barriers Polyploid speciation = Offspring have multiple sets of chromosomes</p> Signup and view all the answers

    What is a feature of polyploid speciation?

    <p>It occurs due to chromosomal variations.</p> Signup and view all the answers

    In sympatric speciation, interbreeding between subpopulations is encouraged.

    <p>False</p> Signup and view all the answers

    Define what is meant by reproductive isolation.

    <p>A condition where different populations cannot interbreed successfully.</p> Signup and view all the answers

    What replaces thymine in the process of mRNA synthesis?

    <p>Uracil</p> Signup and view all the answers

    DNA replication involves the copying of DNA into DNA.

    <p>True</p> Signup and view all the answers

    What is the role of mRNA in protein synthesis?

    <p>It directs protein synthesis.</p> Signup and view all the answers

    During DNA replication, the _____ strands of DNA split to form templates for new strands.

    <p>two</p> Signup and view all the answers

    Match the following processes with their descriptions:

    <p>DNA Replication = The process by which DNA makes a copy of itself Transcription = The copying of DNA into RNA molecules Translation = The process of making proteins from RNA Primer Binding = The binding of primers to DNA template</p> Signup and view all the answers

    Which base pairs with adenine during DNA replication?

    <p>Thymine</p> Signup and view all the answers

    Guanine pairs with uracil in DNA replication.

    <p>False</p> Signup and view all the answers

    What is the sequence that mRNA uses to create polypeptides called?

    <p>mRNA codons</p> Signup and view all the answers

    The primary role of _____ during DNA replication is to initiate the process.

    <p>primers</p> Signup and view all the answers

    What type of speciation involves a population remaining in one location and evolving into new species?

    <p>Sympatric speciation</p> Signup and view all the answers

    Allopatric speciation occurs when populations of a species are separated by geographical barriers.

    <p>True</p> Signup and view all the answers

    Provide an example of a species that exhibits allopatric speciation.

    <p>Finches on the Galapagos Islands</p> Signup and view all the answers

    Peripatric speciation occurs when a new species is formed from an isolated ______ population.

    <p>peripheral</p> Signup and view all the answers

    Match the following types of speciation with their definitions:

    <p>Allopatric speciation = Geographic separation leading to speciation Sympatric speciation = Speciation occurring within a single population Peripatric speciation = New species formed from an isolated peripheral population Parapatric speciation = Adjacent populations evolving due to different environments</p> Signup and view all the answers

    What law states that two members of a gene pair segregate from each other during meiosis?

    <p>Law of Segregation</p> Signup and view all the answers

    The Law of Dominance states that recessive alleles are always expressed over dominant alleles.

    <p>False</p> Signup and view all the answers

    Name the three Mendelian Laws of Inheritance.

    <p>Law of Segregation, Law of Independent Assortment, Law of Dominance</p> Signup and view all the answers

    According to the law, alleles of different genes are categorized into ________ independently.

    <p>gametes</p> Signup and view all the answers

    Match the following Mendelian and Non-Mendelian laws with their descriptions:

    <p>Law of Segregation = Two members of a gene pair segregate during meiosis Law of Independent Assortment = Alleles of different genes assort independently Law of Dominance = Dominant alleles hide recessive alleles Law of Incomplete Dominance = Neither allele is completely dominant</p> Signup and view all the answers

    Which of the following statements is true regarding the characteristics of organisms?

    <p>Traits are influenced by genes carried from parents to offspring.</p> Signup and view all the answers

    The Law of Independent Assortment applies to the segregation of alleles for a single trait.

    <p>False</p> Signup and view all the answers

    What is the role of genes in inheritance?

    <p>Genes carry the characteristics of organisms from parents to offspring.</p> Signup and view all the answers

    Study Notes

    Conrad Gessner

    • Known as the Father of Modern Zoology for his contributions to zoological studies through animal dissections.
    • Works became fundamental references for medicine during the Middle Ages.
    • Classified animals similarly to Aristotle, organizing data on various species including fish and birds.
    • Authored "Historia Animalium," a 5-volume encyclopedia documenting knowledge of plants and animals, marking the beginning of modern zoology.

    Galen

    • Pioneered human anatomy studies, influencing medical practices in the 16th century.
    • His anatomical dissertations laid groundwork for understanding the circulatory system, especially the heart and blood flow.

    William Harvey

    • Renowned for demonstrating blood circulation and the functions of the heart, arteries, and veins.
    • Significant contributions to understanding the movement of blood in the body.

    Antoine van Leeuwenhoek

    • Created the first simple microscope, enhancing the study of microorganisms and animal life in the 1600s.

    DNA Replication

    • Process by which DNA makes copies of itself through messenger RNA (mRNA).
    • Involves four steps: fork formation, primer binding, and the copying of DNA strands into complementary strands.

    Translation

    • Process where proteins are synthesized from RNA sequences.
    • mRNA serves as a template to produce polypeptides using codon sequences derived from DNA.

    Inheritance Patterns

    • Characteristics of organisms are influenced by genes carried in chromosomes from parents to offspring.
    • Mendelian Laws include:
      • Law of Segregation: Gene pairs separate during meiosis, allowing equal probability for gametes.
      • Law of Independent Assortment: Alleles of different genes segregate independently.
      • Law of Dominance: Dominant alleles mask the effects of recessive alleles.

    Forms of Speciation

    • Allopatric Speciation: Geographic separation leads to new species formation due to adaptations and genetic drift.
    • Peripatric Speciation: New species develops from isolated peripheral populations adjacent to the parent species.
    • Parapatric Speciation: Speciation occurs within overlapping geographic areas, with different selection pressures on populations.
    • Sympatric Speciation: Speciation occurs within a single population without geographic barriers, often influenced by ecological factors.

    Key Concepts in Genetics

    • Non-Mendelian inheritance mechanisms include incomplete dominance and codominance.
    • The importance of reproductive isolation for the development of new species, ensuring successful mating within distinct populations.

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    Related Documents

    General Zoology (Lec) M1-3 PDF

    Description

    Explore the contributions of Conrad Gessner and Galen to the field of zoology. Learn how Gessner is regarded as the Father of Modern Zoology and his methods of animal dissection to advance human anatomy. Delve into the historical context and advancements in zoology during the 16th century.

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