In a practical examination, the pedigree char | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) $1$. Observe the pedigree: The trait appears in every generation (vertical transmission), which is characteristic of a dominant trait.$2$. Check f

Vedclass · Accepted Answer

Autosomal dominant

Vedclass · Answer

(B) $1$. Observe the pedigree: The trait appears in every generation (vertical transmission), which is characteristic of a dominant trait.$2$. Check for sex-linkage: An affected mother has an unaffected son, and an affected father would pass the trait to all daughters if it were $X$-linked dominant. Here, an affected mother has an unaffected son, which is possible in both autosomal and $X$-linked dominant traits. However, the transmission from an affected mother to both sons and daughters, and the presence of the trait in both sexes, strongly suggests an autosomal dominant pattern.$3$. Conclusion: Since the trait does not skip generations and appears in both males and females, it is autosomal dominant.

In a practical examination, the pedigree chart shown below was provided for identification. Identify the type of inheritance.

Similar Questions

Assertion: Haemophilia is a recessive sex-linked disease.
Reason: Haemophilia occurs due to mutation of a structural gene on chromosome $15$.

Which of the following is an example of qualitative inheritance?

$A$ husband and wife have normal vision,but the fathers of both of them were colour blind. What is the probability of their first daughter being colour blind (in $\%$)?

Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is heterozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X$-linked as well as autosomal allele is

$A$ color-blind woman marries a man with normal vision. In their offspring,.........

Vedclass Test Series

Exam Paper Generator

Online Exam Module