10 Questions
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.
What is the approximate percentage of females who are affected by red-green color blindness?
0.4%
Which type of inheritance pattern is used to explain the pedigree shown in Figure 4.14(a)?
Autosomal dominant
What type of genetic disorder is color blindness?
X-linked recessive
What is the approximate percentage of males affected by red-green color blindness?
8%
What is the primary function of DNA in the chromosome?
To carry genetic information
What is the term used to describe a change or alteration in the genetic material?
Mutation
Which of the following is a characteristic of Mendelian disorders?
They are mainly determined by alteration or mutation in a single gene
What is the primary way to understand whether a Mendelian disorder is dominant or recessive?
Analyzing the pattern of inheritance through family history
Which of the following is an example of an X-linked recessive Mendelian disorder?
Haemophilia
Test your knowledge on the principles of inheritance and variation in the chromosome. Understand how DNA serves as the carrier of genetic information and the occurrence of mutations. Explore how altered genes or chromosomes can lead to disorders in human beings.
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