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What was the significance of Morgan's discovery of the eye colour mutant?
What was the significance of Morgan's discovery of the eye colour mutant?
- It led to the development of the chromosome theory of inheritance. (correct)
- It proved that genes are located on mitochondria.
- It demonstrated that genes are inherited in a Mendelian pattern.
- It showed that eye colour is determined by environmental factors.
What do the superscript '+' and '-' symbols denote in Drosophila allele notation?
What do the superscript '+' and '-' symbols denote in Drosophila allele notation?
- Dominant and recessive alleles, respectively.
- Autosomal and sex-linked alleles, respectively.
- Wild-type and mutant alleles, respectively. (correct)
- Mutant and wild-type alleles, respectively.
What is the significance of correlating the sex of flies with the behaviour of alleles of the eye colour gene?
What is the significance of correlating the sex of flies with the behaviour of alleles of the eye colour gene?
- It demonstrates the concept of epistasis.
- It provides evidence for the chromosome theory of inheritance. (correct)
- It shows that sex is determined by multiple genes.
- It proves that genes are inherited in a Mendelian pattern.
What is the symbol for the mutant white eyes allele in Drosophila?
What is the symbol for the mutant white eyes allele in Drosophila?
Who developed the simple notation for alleles?
Who developed the simple notation for alleles?
What is the expected ratio of phenotypes if the genes assort independently?
What is the expected ratio of phenotypes if the genes assort independently?
What did Morgan's data suggest about the genes controlling body colour and wing size?
What did Morgan's data suggest about the genes controlling body colour and wing size?
Why are closely physically linked genes not expected to assort independently?
Why are closely physically linked genes not expected to assort independently?
What is the significance of sister chromatids forming chiasmata in the same homologous chromosome?
What is the significance of sister chromatids forming chiasmata in the same homologous chromosome?
What is the result of recombination between linked genes?
What is the result of recombination between linked genes?
What is the recombination rate between the b and vg genes in Drosophila melanogaster?
What is the recombination rate between the b and vg genes in Drosophila melanogaster?
What is the significance of the experiment with Drosophila melanogaster?
What is the significance of the experiment with Drosophila melanogaster?
Who developed the idea of a genetic map in 1913?
Who developed the idea of a genetic map in 1913?
What is the purpose of recombination rates in genetics?
What is the purpose of recombination rates in genetics?
What is the relationship between the genes b, vg, and cn?
What is the relationship between the genes b, vg, and cn?
What is the genetic makeup of the wild-type females used in the experiment?
What is the genetic makeup of the wild-type females used in the experiment?
Which of the following statements is true about the genes controlling body colour and wing size?
Which of the following statements is true about the genes controlling body colour and wing size?
What is the effect of the vg allele on the wing size of Drosophila melanogaster?
What is the effect of the vg allele on the wing size of Drosophila melanogaster?
What is the relationship between the b+ and b alleles?
What is the relationship between the b+ and b alleles?
What is the purpose of crossing wild-type females with males having both mutant phenotypes in the experiment?
What is the purpose of crossing wild-type females with males having both mutant phenotypes in the experiment?
What can be concluded from the image of the homologous chromosomes with a specific gene tagged with a fluorescent yellow dye?
What can be concluded from the image of the homologous chromosomes with a specific gene tagged with a fluorescent yellow dye?
What was the significance of Thomas Hunt Morgan's work in the early 1900s?
What was the significance of Thomas Hunt Morgan's work in the early 1900s?
What is the relationship between genes and chromosomes?
What is the relationship between genes and chromosomes?
What is the expected ratio of parental phenotypes in the offspring if linkage is complete between two genes?
What is the expected ratio of parental phenotypes in the offspring if linkage is complete between two genes?
What can be inferred about the image of the homologous chromosomes?
What can be inferred about the image of the homologous chromosomes?
What is the process by which recombinant chromosomes and phenotypes are generated?
What is the process by which recombinant chromosomes and phenotypes are generated?
What is the term for the X-shaped structure between chromatids in a tetrad during meiosis?
What is the term for the X-shaped structure between chromatids in a tetrad during meiosis?
What is the concept that describes the connection between genes and chromosomes?
What is the concept that describes the connection between genes and chromosomes?
What is the result of crossing-over between linked genes?
What is the result of crossing-over between linked genes?
What is the name of the process by which alleles from different genes are brought together in new combinations?
What is the name of the process by which alleles from different genes are brought together in new combinations?
What is the term for the normal phenotype for a character in Drosophila genetics?
What is the term for the normal phenotype for a character in Drosophila genetics?
How many chromosomes are present in a haploid gamete in Drosophila melanogaster?
How many chromosomes are present in a haploid gamete in Drosophila melanogaster?
What is the sex chromosome composition of a male Drosophila melanogaster?
What is the sex chromosome composition of a male Drosophila melanogaster?
What was the significance of Morgan's discovery of an eye color mutant in Drosophila melanogaster?
What was the significance of Morgan's discovery of an eye color mutant in Drosophila melanogaster?
How many pairs of chromosomes are present in a diploid Drosophila melanogaster cell?
How many pairs of chromosomes are present in a diploid Drosophila melanogaster cell?
What is the term for an alternative trait to the wild type in Drosophila genetics?
What is the term for an alternative trait to the wild type in Drosophila genetics?
What is the probability of a sperm having an X chromosome in Drosophila melanogaster?
What is the probability of a sperm having an X chromosome in Drosophila melanogaster?
What is the sex chromosome composition of a female Drosophila melanogaster?
What is the sex chromosome composition of a female Drosophila melanogaster?
What is assumed to be the origin of mutant alleles in Drosophila genetics?
What is assumed to be the origin of mutant alleles in Drosophila genetics?
What is the total number of chromosomes in a diploid Drosophila melanogaster cell?
What is the total number of chromosomes in a diploid Drosophila melanogaster cell?
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