Podcast
Questions and Answers
What is the main reason that color blindness occurs more frequently in males than females?
What is the main reason that color blindness occurs more frequently in males than females?
- Males have a single X chromosome, while females have two, making them more susceptible to X-linked recessive disorders. (correct)
- Color blindness is more prevalent in certain ethnic groups, and males are more likely to belong to those groups.
- Females have a stronger immune system that can better fight against the genetic defects that cause color blindness.
- Males are more exposed to environmental factors that can lead to color blindness.
What is the approximate percentage of females who are affected by red-green color blindness?
What is the approximate percentage of females who are affected by red-green color blindness?
- 25%
- 50%
- 0.4% (correct)
- 8%
Which type of inheritance pattern is used to explain the pedigree shown in Figure 4.14(a)?
Which type of inheritance pattern is used to explain the pedigree shown in Figure 4.14(a)?
- X-linked dominant
- Autosomal recessive
- X-linked recessive
- Autosomal dominant (correct)
What type of genetic disorder is color blindness?
What type of genetic disorder is color blindness?
What is the approximate percentage of males affected by red-green color blindness?
What is the approximate percentage of males affected by red-green color blindness?
What is the primary function of DNA in the chromosome?
What is the primary function of DNA in the chromosome?
What is the term used to describe a change or alteration in the genetic material?
What is the term used to describe a change or alteration in the genetic material?
Which of the following is a characteristic of Mendelian disorders?
Which of the following is a characteristic of Mendelian disorders?
What is the primary way to understand whether a Mendelian disorder is dominant or recessive?
What is the primary way to understand whether a Mendelian disorder is dominant or recessive?
Which of the following is an example of an X-linked recessive Mendelian disorder?
Which of the following is an example of an X-linked recessive Mendelian disorder?
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