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  • Select the incorrect statement from the following:Option: 1 Galactosemia is an inborn error of metabolism<stron

Select the incorrect statement from the following:

Option: 1

Galactosemia is an inborn error of metabolism


Option: 2

Small population size results in random genetic drift in a population


Option: 3

Baldness is a sex - limited trait


Option: 4

Linkage is an exception to the principle of independent assortment in heredity


Answers (1)

best_answer
  • The linkage is the tendency of genes on a chromosome that are close to each other to stay together during inheritance (no cross-over and independent selection). Genes that are completely linked do not exhibit cross-over and independent selection; thereby producing only combinations of parents.
  • Galactosemia is a metabolic defect that occurs naturally and is characterized by the inability to break down galactose.
  • When compared to the larger population, which has a greater likelihood of accurately representing the allelic frequency of a parental population due to its size and the large number of gametes produced, the effect of genetic drift on a small population is greater.
  • Baldness is not a sex-limited trait. Baldness is a sex-influenced trait. Both males and females exhibit sex-influenced traits, which are typically dominant in one sex and recessive in the other.

Thus, the correct answer is option 3).

 

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Rishi

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