Unnatural Selection in Genetics

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Questions and Answers

What does CRISPR stand for?

  • Clustered Regularly Interspaced Short Palindromic Repeats (correct)
  • Crisp Regulation of Integrated Species Performance Ratio
  • Cellular Reorganizing Internal Supplied Protein Resource
  • Crisp Rapid Improvement System for Plants and Reproduction

What is the primary purpose of PGD (Pre-implantation Genetic Diagnosis)?

  • To engineer entirely new species of plants
  • To clone animals for genetic research
  • To fertilize eggs for the development of embryos
  • To identify specific genes in human embryos (correct)

Which term describes a characteristic determined genetically, such as in children?

  • Trait (correct)
  • Gene
  • Embryo
  • Chromosome

What is a common use for a scalpel in biological contexts?

<p>To cut tissue during a biopsy (B)</p> Signup and view all the answers

What does the term 'game changer' refer to in a scientific context?

<p>An event that significantly alters a field or practice (D)</p> Signup and view all the answers

Which of the following organisms is specifically called a 'transgenic' organism?

<p>An organism with DNA from different species (A)</p> Signup and view all the answers

What can the misuse of biotechnology lead to, in terms of ethical considerations?

<p>A slippery slope toward unforeseen consequences (D)</p> Signup and view all the answers

How does genomics differ from general genetics?

<p>Genomics is concerned with the structure and function of genomes (D)</p> Signup and view all the answers

What role do chromosomes play in an organism?

<p>They carry genetic information controlling growth and development (A)</p> Signup and view all the answers

What does it mean to 'steer' in the context of evolutionary processes?

<p>To influence the direction of species adaptation (C)</p> Signup and view all the answers

Flashcards

Evolution

The process by which changes in plants and animals occur over time.

Steer

To control the direction of something, driven by the demands of survival.

Upend

To set or turn something on its end. Often used metaphorically, like new technology disrupting established processes.

Alter

To change something, often involving altering different species.

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Species

A group of animals or plants that are similar and can produce young animals/plants.

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Transgenic

Relating to or indicative of an organism containing genetic material artificially introduced from an unrelated organism.

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CRISPR

A genome editing tool that is creating a buzz in the science world because it is faster, cheaper, and more accurate than previous techniques, with a wide range of potential applications.

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"Game Changer"

An event, idea, or procedure that significantly shifts how someone does or thinks about something.

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Gene

A part of a cell that influences the appearance, growth, and characteristics of a living thing. A complete set of genes make up a genome.

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PGD (Pre-implantation Genetic Diagnosis)

A procedure used to identify specific genes in human embryos, used to identify diseases and traits like eye colour.

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Study Notes

Unnatural Selection

  • Scientists are changing genetic traits in plants and animals
  • CRISPR is a new gene-editing method, simple and easily applicable to humans
  • Evolution is the process of change in plants and animals over time
  • Steer: control the direction of change (e.g., evolution driven by survival)
  • Upend: dramatically change something (often in a positive way)
  • Alter: to modify something, including different species
  • Species: group of similar animals/plants that can reproduce
  • Transgenic: organisms with genetic material from different species
  • Fluorescent: glowing brightly (e.g., jellyfish)
  • CRISPR: a powerful genome editing tool that is faster, cheaper and more accurate than before
  • Game Changer: a significant event or idea that dramatically changes a field
  • Scalpel: a sharp knife used by surgeons
  • Cleaver: a large knife used for chopping meat
  • Gene: a part of a cell that impacts traits and appearance
  • Trait: a quality or characteristic determined genetically
  • PGD (Pre-implantation Genetic Diagnosis): a procedure to identify genes in embryos (e.g., diseases or traits like eye colour)
  • Embryo: a human or animal in early development
  • Droop: to sag or bend
  • Formulate: to carefully create, invent, or design something
  • Fruit Fly: a small fly attracted to rotting fruit
  • Bristle: short, stiff hair or fiber
  • Biopsy: examining tissue removed from a living body
  • Chromosome: the part of a cell containing genes that control growth and development
  • Fertilize: making an egg capable of growing
  • Sperm: the cell that fertilizes an egg
  • Yolk: part of an egg that supplies food during development
  • Genomics: the study of genomes (the complete set of genes)
  • Paving the way: making progress easier
  • Funnel: guiding something through a narrow point
  • Slippery Slope: a series of progressive events that can be difficult to stop once started
  • Arms Race: an escalating competition (often in the context of innovation)

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