Podcast
Questions and Answers
Which of the following best defines ploidy?
Which of the following best defines ploidy?
- The number of possible alleles for autosomal genes
- The number of complete sets of chromosomes in a cell (correct)
- The number of chromosomes in a cell
- The number of DNA copies in a cell
What changes when the chromosome number changes in a cell?
What changes when the chromosome number changes in a cell?
- The amount of DNA (correct)
- The types of genetic content
- The number of possible alleles for autosomal genes
- The number of complete sets of chromosomes
What is the ploidy of a normal human zygote?
What is the ploidy of a normal human zygote?
- n=1
- n=3
- n=2 (correct)
- n=4
What is the ploidy of Penny's oocyte?
What is the ploidy of Penny's oocyte?
What is the ploidy of Leonard's sperm?
What is the ploidy of Leonard's sperm?
What is the ploidy of a daughter cell after meiosis I?
What is the ploidy of a daughter cell after meiosis I?
How many copies of Penny's mtDNA are present in the zygote?
How many copies of Penny's mtDNA are present in the zygote?
What is the ploidy of Leonard's sister chromatids after DNA replication?
What is the ploidy of Leonard's sister chromatids after DNA replication?
How many homologous chromosomes are present in each cell after meiosis I?
How many homologous chromosomes are present in each cell after meiosis I?
What is the ploidy of a normal human baby?
What is the ploidy of a normal human baby?
During meiosis II, how many cells are produced and how many copies of each autosome are present in each cell?
During meiosis II, how many cells are produced and how many copies of each autosome are present in each cell?
What is the ploidy of the cells after meiosis I?
What is the ploidy of the cells after meiosis I?
Where does recombination occur during meiosis?
Where does recombination occur during meiosis?
Do the sex chromosomes undergo crossing over during meiosis?
Do the sex chromosomes undergo crossing over during meiosis?
How many possible chromosome combinations are created during gametogenesis?
How many possible chromosome combinations are created during gametogenesis?
What is the term for a change in chromosome number that arises from errors in mitosis and meiosis and is clinically evident?
What is the term for a change in chromosome number that arises from errors in mitosis and meiosis and is clinically evident?
What is the term for a normal diploid chromosome complement of 46 chromosomes?
What is the term for a normal diploid chromosome complement of 46 chromosomes?
What is the term for three copies of a chromosome?
What is the term for three copies of a chromosome?
What is the term for one copy of a chromosome?
What is the term for one copy of a chromosome?
What is the ploidy of a girl with Patau Syndrome?
What is the ploidy of a girl with Patau Syndrome?
Which technique is used to visualize the location of a specific nucleotide sequence and determine its presence on a chromosome?
Which technique is used to visualize the location of a specific nucleotide sequence and determine its presence on a chromosome?
What is the main purpose of Multiplex FISH (M-FISH)?
What is the main purpose of Multiplex FISH (M-FISH)?
What are the two categories of structural chromosome abnormalities?
What are the two categories of structural chromosome abnormalities?
Which type of structural chromosome abnormality involves the deletion of a part of a chromosome?
Which type of structural chromosome abnormality involves the deletion of a part of a chromosome?
What is the term for a large deletion on a chromosome that is visible under a light microscope?
What is the term for a large deletion on a chromosome that is visible under a light microscope?
Which type of structural chromosome abnormality is characterized by no gain or loss of genetic content?
Which type of structural chromosome abnormality is characterized by no gain or loss of genetic content?
What is the term for a change in chromosome structure caused by chromosome breakage and subsequent abnormal realignment?
What is the term for a change in chromosome structure caused by chromosome breakage and subsequent abnormal realignment?
Are structural chromosome abnormalities heritable only if they occur in the germ line?
Are structural chromosome abnormalities heritable only if they occur in the germ line?
What is the term for a deletion on chromosome 5p, which is associated with Cri-du-chat Syndrome?
What is the term for a deletion on chromosome 5p, which is associated with Cri-du-chat Syndrome?
How often do large deletions (>5 Mb) occur on chromosomes?
How often do large deletions (>5 Mb) occur on chromosomes?
Which of the following is NOT a method used to study chromosomes?
Which of the following is NOT a method used to study chromosomes?
Which type of chromatin is more condensed and less transcriptionally active?
Which type of chromatin is more condensed and less transcriptionally active?
What is the purpose of cytogenetics?
What is the purpose of cytogenetics?
What is the resolution limitation of conventional cytogenetics?
What is the resolution limitation of conventional cytogenetics?
What is the purpose of the International System for Human Cytogenetic Nomenclature (ISCN)?
What is the purpose of the International System for Human Cytogenetic Nomenclature (ISCN)?
What does the 'p' in ISCN stand for?
What does the 'p' in ISCN stand for?
What does the 'q' in ISCN stand for?
What does the 'q' in ISCN stand for?
What is the purpose of a karyogram?
What is the purpose of a karyogram?
What is the term used to describe the regions of a chromosome counting out from the centromere?
What is the term used to describe the regions of a chromosome counting out from the centromere?
What is the term used to describe the side-by-side arrangement of homologous chromosomes in a karyogram?
What is the term used to describe the side-by-side arrangement of homologous chromosomes in a karyogram?
