EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 40.3, Problem 2R
Summary Introduction
To review:
The defect, due to which a person having XY genotype have a
Introduction:
Sex determination is a biological process, by which the sex of offspring is determined. The presence of XX chromosomes in the fetus of a human develops into a female while a fetus carrying XY chromosomes develop into a male.
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how is it possible for a person who inherited XY gene to have female phenotype?
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Explain the difference between X-linked recessive traits and X-linked dominant traits. What are the possibilities that a female child will be affected and express each of the traits?
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EBK LIFE: THE SCIENCE OF BIOLOGY
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain why a female cannot have XXY syndrome and a male cannot have XO syndrome.arrow_forwardAn individual that is genetically male develops as a female. Is this individual more or less likely to express an X-linked recessive disorder than an average female?arrow_forwardWhat is an individual with a homozygous genotype?arrow_forward
- Describe two mechanisms for causing uniparental disomy.arrow_forwardWhat is the probability that a carrier wom en will transmit an abnomal X-linked gene to her son? What is the probability that a carrier wom en will transmit an abnomal X-linked gene to her 3 sons? What is the probability that a women carrying an abnormal X-linked gene has two sons affected an one unaffected?arrow_forwardA color-blind man marries a woman with normal vision whose father was color-blind. Remember that color-blindness is an X-linked recessive trait. Hint: see figure 12.7 in book. A) What is the probability that their first child will be a color-blind daughter? B) What is the probability that their first son will be color-blind?arrow_forward
- How is it that genetic abnormalities that include an extra Y chromosome do not have a severe phenotype?arrow_forwardWhat causes incomplete dominance?arrow_forwardIf a father is affected by an X-linked dominant condition and the mother is normal, what is the probability of their children being affected? All sons will be affected. Half of the sons will be affected. All daughters will be affected. Half of the daughters will be carriers.arrow_forward
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