Sex Linked Genetic Disorders – Chromosome Theory and Sex Linkage
Über den Vortrag
Der Vortrag „Sex Linked Genetic Disorders – Chromosome Theory and Sex Linkage“ von Georgina Cornwall, PhD ist Bestandteil des Kurses „Understanding Genetics“.
Quiz zum Vortrag
Which of the following best describes dosage compensation?
- X-inactivation of one of the X chromosomes in females to aid in not having two allelic copies compared to that in males
- Y-inactivation of one of the Y chromosomes in females to aid in not having two allelic copies compared to that in males
- X-activation of one of the X chromosomes in males to determine the male sex
- Y-activation of the Y chromosomes in males to determine the male sex
- Autosomal inactivation of recessive alleles so that those alleles do not manifest
Which of the following is NOT an X-linked recessive disorder?
- Amelogenesis imperfecta
- Color blindness
- Christmas disease
- Hemophilia A
- Duchenne muscular dystrophy
Which of the following statements for an X-linked recessive disease is correct with respect to the progeny, when an unaffected male mates with a heterozygous female?
- Males will have a 50% chance of having the disease.
- Females will have a 50% chance of having the disease.
- All males will have the disease.
- All females will have the disease.
- All offspring will have the disease.
Which of the following statements for an X-linked dominant disease is correct with respect to the progeny, when an unaffected male mates with a heterozygous female?
- Both female and male progeny have a 50% chance of having the disease.
- All of the female progeny will be affected.
- All of the male progeny will be affected.
- 50% of the male progeny will be affected, while the female progeny will be unaffected.
- 50% of the female progeny will be affected, while the male progeny will be unaffected.
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Dozent des Vortrages Sex Linked Genetic Disorders – Chromosome Theory and Sex Linkage
Georgina Cornwall, PhD
Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.
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