Medical Terminology for Health Professions, Spiral bound Version (MindTap Course List)
8th Edition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Chapter3: The Skeletal System
Section: Chapter Questions
Problem 44LE: RA ________________________________
Related questions
Question
The pedigree below represents the inheritance of a rare genetic disorder (members joining the pedigree are not carriers). Consider the following pedigree and answer questions (i) to (vii) below. The allele descriptors are B/b.
- What is the mode of inheritance in this pedigree ?
- Y-linked inheritance
- X-linked recessive inheritance
- X-linked dominant inheritance
- Autosomal recessive inheritance
- Autosomal dominant inheritance
- What is the genotype of individual III-2 ?
- a) XbXb
- b) XBXB
- c) XBXb
- d) Bb
- e) bb
- What is the genotype of individual IV-3 ?
- a) XbXb
- b) XBXB
- c) XBXb
- d) Bb
- e) bb
- Individual IV-4 and an unaffected woman is planning a family. What is the probability that their first child will be
phenotypically normal ? - a) chance that the first child will be phenotypically normal.
- b) chance that the first child will be phenotypically normal.
- c) chance that the first female child will be phenotypically normal; all male children will be phenotypically normal.
- d) chance that the first child will be phenotypically normal.
- e) chance that the first male child will be phenotypically normal; all female children will be phenotypically normal.
- Which one of the following is an example of this mode of inheritance ?
- a) Albinism
- b) Marfan syndrome
- c) Coffin-Lowry syndrome
- d) Male infertility
- e) Haemophilia
- If individual IV-1 were to have a child with II-5, what is the probability that their first child will be affected? Show your calculation(s).
- If individual IV-1 were to marry VI-2, what is the probability that their first child will be unaffected? Show your calculation(s).
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