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About 182 results
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/03%3A_The_Cell_Cycle_and_Mitosis/3.02%3A_The_Typical_Cell_Cycle
    Cyclins are a family of proteins that control the progression of a cell through the cell cycle by activating cyclin-dependent kinase enzymes, or group of enzymes, required for synthesis of cell cycle....Cyclins are a family of proteins that control the progression of a cell through the cell cycle by activating cyclin-dependent kinase enzymes, or group of enzymes, required for synthesis of cell cycle. A large circle is drawn, with sectors of the circle identified to correspond to various stages of the cell cycle, such as the G1 (cell growth), S (synthesis) and G2 (cell growth) stages.
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/02%3A_Mendels_Second_Law-_Independent_Assortment/2.07%3A_Chapter_2_Summary
    The alleles of loci in different chromosomes are inherited independently of each other. The 9:3:3:1 ratio can be modified if the loci are not simple dominant/recessive to each other, if there are gene...The alleles of loci in different chromosomes are inherited independently of each other. The 9:3:3:1 ratio can be modified if the loci are not simple dominant/recessive to each other, if there are gene interactions, or if the two loci are linked. A test cross gives a ratio of 1:1:1:1 for loci that assort independently. Take a look at this video, Mendelian Genetics and Punnett Squares, from Professor Dave Explains (2017), which gives a great summary of what we have covered so far!
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/01%3A_Mendels_First_Law_and_Meiosis/1.05%3A_Punnett_Squares_-_3-1_Ratio
    Figure 1.5.2 Two parts: 1) A simple Punnett square consisting of four squares shows the production of offspring from the mating of a homozygous dominant parent and a homozygous recessive parent to pro...Figure 1.5.2 Two parts: 1) A simple Punnett square consisting of four squares shows the production of offspring from the mating of a homozygous dominant parent and a homozygous recessive parent to produce 100% heterozygous progeny; 2) A Punnett square consisting of four squares shows the production of offspring from the mating of two heterozygous parents to produce the typical 3:1 monohybrid ratio of dominant to recessive phenotypes. [Back to Figure 1.5.2]
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/03%3A_The_Cell_Cycle_and_Mitosis/3.08%3A_Key_Terms_in_Chapter_3
    Key Terms in Chapter 3 Key Terms – Mitosis and the Cell Cycle anaphase chromatids c-value paradox c-value cytokinesis G 0 Phase G 1 Phase G 2 Phase interphase kinetochore M Phase metaphase plate metap...Key Terms in Chapter 3 Key Terms – Mitosis and the Cell Cycle anaphase chromatids c-value paradox c-value cytokinesis G 0 Phase G 1 Phase G 2 Phase interphase kinetochore M Phase metaphase plate metaphase microtubules mitosis nuclear genome n-value prophase replicated chromosome S Phase telophase unreplicated chromosome
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/05%3A_The_Complementation_Test/5.05%3A_Chapter_5_Summary
    The purpose of performing Complementation testing is to determine whether two mutants are the result of mutation of the same gene (allelic mutations), or if each mutant is caused by mutation of a diff...The purpose of performing Complementation testing is to determine whether two mutants are the result of mutation of the same gene (allelic mutations), or if each mutant is caused by mutation of a different gene (non-allelic mutations). Transformation rescue refers to the incorporation of recombinant DNA molecule that contains a gene that is able to complement the mutated gene in another organism.
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/11%3A_Recombination_Mapping_of_Gene_Loci
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/02%3A_Mendels_Second_Law-_Independent_Assortment
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/01%3A_Mendels_First_Law_and_Meiosis/1.09%3A_Chapter_1_Study_Questions
    What is the maximum number of alleles at a given autosomal locus in a normal gamete from a diploid individual? If you cross a homozygous, wiry-haired dog with a smooth-haired dog, what will be the gen...What is the maximum number of alleles at a given autosomal locus in a normal gamete from a diploid individual? If you cross a homozygous, wiry-haired dog with a smooth-haired dog, what will be the genotype and phenotype of the F1 generation? If two dogs from the F1 generation mated, what would be the most likely ratio of hair phenotypes among their progeny?
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/01%3A_Mendels_First_Law_and_Meiosis/1.10%3A_Chapter_1_Answers
    Another example of this would be the fairly common observation that in some human families, all of the offspring are either girls, or boys, even though the expected ratio of the sexes is essentially 1...Another example of this would be the fairly common observation that in some human families, all of the offspring are either girls, or boys, even though the expected ratio of the sexes is essentially 1:1.
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/13%3A_Genes_and_COVID-19_Susceptibility_in_Humans/13.06%3A_Key_Terms_in_Chapter_13
    Key Terms – Genes and COVID-19 Susceptibility in Humans Angiotensin-converting enzyme 2 C-lectin pathway Coronavirus Cytokine storm spike protein Toll-like receptor Vaccine
  • https://bio.libretexts.org/Bookshelves/Genetics/Introduction_to_Genetics_(Singh)/13%3A_Genes_and_COVID-19_Susceptibility_in_Humans/13.05%3A_Chapter_13_Summary
    The topics covered in this chapter can be summarized as follows: An introduction to the general group of RNA viruses known as coronaviruses with emphasis on the general structure of such viruses A sum...The topics covered in this chapter can be summarized as follows: An introduction to the general group of RNA viruses known as coronaviruses with emphasis on the general structure of such viruses A summary of how the virus’ surface spike protein mediates SARS-CoV-2 entry into human cells by binding to the ACE2 (Angiotensin-converting enzyme 2) receptor. A list of some of the genes Implicated in Severe COVID-19 Infection in Humans

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