BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 10.7, Problem 2MC
Summary Introduction
To determine:
The reason for males and females to differently express recessive X-linked alleles.
Introduction:
The sex of an individual can be determined by the absence or presence of Y-chromosome. Females inherit X chromosomes from each parent, while males inherit X chromosome from mother and Y chromosome from father. Therefore, the genotype of females is XX and the genotype of males is XY.
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Why do males and females express recessive X-linked alleles differently?
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Can males be a carrier of an X-linked recessive trait? How about females?
Chapter 10 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 10.1 - How are chromosomes, DNA, genes, and alleles...Ch. 10.1 - Prob. 2MCCh. 10.2 - Why did Gregor Mendel choose pea plants as his...Ch. 10.2 - Distinguish between dominant and recessive;...Ch. 10.3 - Prob. 1MCCh. 10.3 - How are Punnett squares helpful in following the...Ch. 10.3 - Prob. 3MCCh. 10.3 - Prob. 4MCCh. 10.4 - What is a dihybrid cross, and what is the...Ch. 10.4 - Prob. 2MC
Ch. 10.4 - Prob. 3MCCh. 10.5 - How do the patterns of inheritance differ for...Ch. 10.5 - What is the difference between recombinant and...Ch. 10.5 - Prob. 3MCCh. 10.6 - Prob. 1MCCh. 10.6 - What is pleiotropy?Ch. 10.6 - Prob. 3MCCh. 10.6 - Prob. 4MCCh. 10.7 - Prob. 1MCCh. 10.7 - Prob. 2MCCh. 10.7 - Prob. 3MCCh. 10.8 - How are pedigrees helpful in determining a...Ch. 10.8 - Prob. 2MCCh. 10.9 - Prob. 1MCCh. 10.9 - Prob. 2MCCh. 10 - In the list of four terms below, which term is the...Ch. 10 - Prob. 2MCQCh. 10 - Prob. 3MCQCh. 10 - Prob. 4MCQCh. 10 - Prob. 5MCQCh. 10 - Prob. 6MCQCh. 10 - Prob. 1WIOCh. 10 - List three genes mentioned in this chapter or not...Ch. 10 - Prob. 3WIOCh. 10 - Prob. 4WIOCh. 10 - Prob. 5WIOCh. 10 - Explain how each of the following appears to...Ch. 10 - Prob. 8WIOCh. 10 - Calico cats have large patches of orange and...Ch. 10 - Prob. 10WIOCh. 10 - Review Burning Question 10.10, which describes the...Ch. 10 - Prob. 1PITCh. 10 - Analyze the concept map and then explain the...Ch. 10 - Add meiosis, gametes, mutations, incomplete...Ch. 10 - In rose bushes, red flowers FF or Ff are dominant...Ch. 10 - In Mexican hairless dogs, a dominant allele...Ch. 10 - Prob. 3GPCh. 10 - Two lizards have green skin and large dewlaps...Ch. 10 - A fern with a genotype AA Bb Cc dd Ee mates with...Ch. 10 - In Fraggles, males are genotype XY and females are...
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- Which of the following statements about X-linked recessive inheritance is true? X-linked recessive traits appear more frequently in females than males. X-linked traits are only found in humans. Females who are carriers of an X-linked recessive trait may not exhibit any phenotypic effects. Males have two allele copies of X-linked genes.arrow_forwardWith respect to the inheritance of X-linked recessive traits, which of the following is true? OA mother cannot transmit the recessive allele to her daughter. OA mother cannot transmit the recessive allele to her son. CA father with the trait can pass the trait to his sons. OA father with the recessive allele passes it to all of his daughters. A man with the recessive allele may not express the trait.arrow_forwardWhich of the following statements about X-linked recessive patterns is true? The X-linked trait appears more often in females than in males. An affected father can never pass an X-linked recessive allele to an XY son. An affected father can never pass an X-linked recessive allele to a daughter. Heterozygous females always express the X-linked recessive trait.arrow_forward
- Men are more likely to display an X-linked recessive disorder than are women. Why do you think this is true?arrow_forwardWhy are lethal dominant genes much more rare than lethal recessive genes?arrow_forwardWhat will be the sex of an individual who is easily affected by an X-linked recessive trait? Why?arrow_forward
- A mother is a carrier of a recessive X-linked disorder. What are the chances of her offspring being afflicted by this disorder assuming a healthy father? 100% chance for male offspring; ~0% chance for female offspring 50% chance for male offspring; ~0% chance for female offspring 0% chance for male offspring; ~0% chance for female offspring 25% chance for male offspring; ~25% chance for female offspring 50% chance for male offspring; ~50% chance for female offspringarrow_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_forwardHow could you distinguish between an autosomal recessive trait with higher penetrance in males and an X-linked recessive trait?arrow_forward
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