Genetics and Biotech: Section 1

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which scientist generated the X-ray crystallography data that was crucial to Watson and Crick's 3D model of the structure of DNA?

  • Marshall Nirenberg
  • Francis Crick
  • Rosalind Franklin (correct)
  • Robert Holley

What is the term for the process by which information encoded within nucleic acids (DNA/RNA) is translated into amino acid sequences that comprise protein molecules?

  • Deciphering the genetic code (correct)
  • Translation
  • Transcription
  • Gene expression

In what year did Frederick Sanger develop the chain termination method for DNA sequencing?

  • 1977 (correct)
  • 1966
  • 1973
  • 1983

What is the unit of measurement for a trillion base pairs in genomics?

<p>Tb (B)</p> Signup and view all the answers

What was the approximate cost of sequencing a mammalian genome in 2022?

<p>€200 (C)</p> Signup and view all the answers

What is the function of the nuclear genetic material?

<p>To store genetic information (D)</p> Signup and view all the answers

Who are the scientists credited with discovering the structure of DNA?

<p>James Watson and Francis Crick (C)</p> Signup and view all the answers

What is the term for the complete set of genetic instructions for an organism?

<p>Genome (B)</p> Signup and view all the answers

What is the name of the system of units used to measure length in biology?

<p>International System of Units (SI) (B)</p> Signup and view all the answers

What is the name of the molecule that carries genetic information?

<p>Deoxyribonucleic acid (DNA) (D)</p> Signup and view all the answers

What is the primary purpose of the continual assessment in the ANSC20010 module?

<p>To provide feedback on students' performance throughout the trimester (D)</p> Signup and view all the answers

Where can students access the ANSC20010 lecture slide notes?

<p>On the Brightspace VLE platform (D)</p> Signup and view all the answers

What is the format of the end-of-trimester assessment in the ANSC20010 module?

<p>Multiple choice questions (MCQ) (A)</p> Signup and view all the answers

What is the purpose of the ANSC20010 lecture slide notes on the Brightspace VLE?

<p>To facilitate note-taking during lectures (A)</p> Signup and view all the answers

How do students submit their answers for the continual assessment assignments?

<p>Through the UCD Brightspace eLearning platform (C)</p> Signup and view all the answers

What is the primary focus of the field of genetics?

<p>The study of the inheritance of biological traits and variation in biological traits (C)</p> Signup and view all the answers

What type of trait is controlled by a single gene?

<p>Monogenic trait (D)</p> Signup and view all the answers

What is the term for the change in genes and genetic variation within populations over time?

<p>Microevolution (C)</p> Signup and view all the answers

What is the significance of understanding evolutionary relationships between populations and species?

<p>It has implications for agriculture, medicine, forensics, and biological conservation (C)</p> Signup and view all the answers

What is the basic unit of heredity that controls or contributes to biological traits?

<p>Gene (D)</p> Signup and view all the answers

What is the primary focus of the six major sections covered in the ANSC20010 module?

<p>Delving into the mechanisms of genetic inheritance and variation (B)</p> Signup and view all the answers

During which process does the number of chromosomes in a cell decrease by half?

<p>Meiosis (D)</p> Signup and view all the answers

What is the primary difference between the topics covered in sections 1 and 3 of the ANSC20010 module?

<p>Section 1 focuses on cellular division, while section 3 focuses on genetic inheritance (A)</p> Signup and view all the answers

What is the primary application of the knowledge gained from the study of population and evolutionary genetics?

<p>Understanding the evolution of species and populations (B)</p> Signup and view all the answers

What is the approximate number of lectures covered in the ANSC20010 module?

<p>32-34 (B)</p> Signup and view all the answers

What is the primary reason for the genetic difference between gametes formed during meiosis?

<p>Independent assortment of chromosomes during meiosis (D)</p> Signup and view all the answers

What is the fundamental basis of Mendel's laws of inheritance?

<p>The behavior of chromosomes during meiosis (C)</p> Signup and view all the answers

What is the result of changes in the DNA sequence of a gene?

<p>Genetic diversity in a population (B)</p> Signup and view all the answers

What is the primary function of DNA replication, transcription, and translation?

<p>To direct cellular processes and maintain genetic information (D)</p> Signup and view all the answers

What is the focus of population and evolutionary genetics?

<p>The study of evolutionary theory and the mechanisms of evolution (C)</p> Signup and view all the answers

What is the structural organization of chromatin in a eukaryotic chromosome?

<p>A single double-stranded DNA molecule is tightly coiled around discrete evenly spaced nucleosomes (C)</p> Signup and view all the answers

What is the number of chromosomes in a human diploid cell?

<p>46 chromosomes (C)</p> Signup and view all the answers

What is the term for the number of chromosomes in a gamete cell?

<p>Haploid (A)</p> Signup and view all the answers

During cell division, what is the process by which the DNA replicates and each chromosome consists of two duplicate chromosome arms?

<p>DNA replication (C)</p> Signup and view all the answers

What is the structure formed by the coiling of the 30-nm chromatin fiber?

<p>Looped domains (D)</p> Signup and view all the answers

What is the term for the relaxed state of DNA when cells are not actively dividing?

<p>Open chromatin (D)</p> Signup and view all the answers

What is the function of histone proteins in chromatin packaging?

<p>To provide a scaffold for DNA coiling (D)</p> Signup and view all the answers

What is the diameter of a metaphase chromosome?

<p>700 nm (C)</p> Signup and view all the answers

How are chromosomes organized in a eukaryotic cell?

<p>As a single double-stranded DNA molecule tightly coiled around nucleosomes (A)</p> Signup and view all the answers

What is the term for the repeating units of DNA and histone proteins in chromatin?

<p>Nucleosomes (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

History of Genetics and DNA Structure
18 questions
DNA Structure and Codon Translation
6 questions
DNA Structure and Function Quiz
50 questions
Use Quizgecko on...
Browser
Browser