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Chapter 12: Q. 21 (page 327)

Which of the following situations does not follow the Law of Independent Assortment?

a. A blind man and a brunette woman produce three offspring over time, all of who have blind hair.

b. A white cow crossed with a brown bull produces roan cattle.

c. Mating a hog with a sow produces six female piglets.

d. Men are more likely to experience hemophilia than women.

Short Answer

Expert verified

The correct answer is option (d).

Step by step solution

01

Step 1. Introduction 

According to Mendel's law of independent assortment, the alleles of two or more different genes get assorted or inherited into gametes independently of one another during gamete formation

02

Step 2. Explanation 

Haemophilia is a sex-linked recessive disorder. The abnormal gene causing haemophilia is present on the X chromosome. As males carry only one x-chromosome they are more likely to be affected by x-linked disorders than females who carries two x-chromosomes.

03

Step 3. Summary 

Haemophilia does not follows mendelian inheritance and it follows gender biased inheritance. So all the options except option (d) is following Mendel's law of independent assortment.

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Most popular questions from this chapter

Explain epistasis in terms of its Greek-language roots “standing upon.”

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