Genetics and Heredity
30 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the term for the natural process by which physical and mental qualities are passed from a parent to its offspring?

  • Heredity (correct)
  • Dominant
  • Genotype
  • Phenotype

    • What is the term for the genetic material of living things, composed of nucleotides?

  • Gene
  • DNA (correct)
  • Genotype
  • Chromosomes

    • What is the term for the observable characteristics of an individual?

  • Genotype
  • Phenotype (correct)
  • Locus
  • Heredity

    • What is the term for a pair of genes that occupy a particular locus in the homologous pair of chromosomes?

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

    What is the term for the genetic information carried by a pair of alleles, which determines a particular characteristic?

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

    What is the term for a gene whose effect is shown in the individual only when its alleles are the same?

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

    What is a homozygous individual?

    <p>An individual with identical genes for a particular characteristic</p> Signup and view all the answers

    What is the significance of uppercase and lowercase letters in gene symbols?

    <p>Uppercase letters represent dominant genes, and lowercase letters represent recessive genes</p> Signup and view all the answers

    Why did Gregor Mendel choose to study pea plants?

    <p>Because they are easy to cultivate and have a short generation time</p> Signup and view all the answers

    What is the Law of Segregation?

    <p>The law that states that only one allele of a gene pair will end up in a gamete</p> Signup and view all the answers

    What is the difference between a dominant gene and a recessive gene?

    <p>A dominant gene is always expressed, while a recessive gene is only expressed in the absence of a dominant gene</p> Signup and view all the answers

    What is the significance of a heterozygous individual?

    <p>An individual with a combination of dominant and recessive genes</p> Signup and view all the answers

    What is the main purpose of meiosis?

    <p>To reduce the number of chromosomes in an individual</p> Signup and view all the answers

    What is the probability of offspring having a gray coat with black eyes from the dihybrid cross?

    <p>25%</p> Signup and view all the answers

    What is the Law of Independent Assortment?

    <p>The law that states each trait can be inherited independently</p> Signup and view all the answers

    What happens to recessive traits in the presence of dominant traits?

    <p>They are hidden unless both recessive traits are passed on to offspring</p> Signup and view all the answers

    In the dihybrid cross, what is the genotype of the offspring that will have a white coat with red eyes?

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

    What is the result of the combination of egg and sperm cells during fertilization?

    <p>The creation of a new individual with a random combination of traits</p> Signup and view all the answers

    What is the dominant allele for belly fur in sheep?

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

    In the monohybrid cross 1, what is the genotype of the offspring?

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

    What is a monohybrid cross?

    <p>A cross between two organisms involving only one trait</p> Signup and view all the answers

    What is the result of the Law of Segregation?

    <p>The creation of gametes with only one allele</p> Signup and view all the answers

    What is the probability of offspring bringing home shiny objects in the monohybrid cross 2?

    <p>75%</p> Signup and view all the answers

    In the monohybrid cross 3, what is the genotype of the offspring that will have belly fur?

    <p>AA or Aa</p> Signup and view all the answers

    What is the result of incomplete dominance in the F1 hybrid of a cross between two carnations?

    <p>A pink flower</p> Signup and view all the answers

    What is the main characteristic of co-dominance?

    <p>Both alleles are expressed equally</p> Signup and view all the answers

    What is the result of non-disjunction during meiosis?

    <p>Gametes with abnormal number of chromosomes</p> Signup and view all the answers

    What is the characteristic of X-linked traits?

    <p>They are located only on the X chromosome</p> Signup and view all the answers

    What is an example of a recessive sex-linked disorder?

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

    What is the genotypic ratio of a cross between heterozygous red and white carnations?

    <p>1 RR : 2 RW : 1 WW</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser