Biology - Principles of Inheritance and Variation Question with Solution | TestHub
Study the following statements.
(A). Due to incomplete linkage the parental traits are inherited in offsprings.
(B). Due to incomplete linkage new traits occur in offsprings.
(C). X-chromosome ofDrosophilamales show complete linkage
(D). InZea mays- color and shape of grain show complete linkage
Choose thecorrectanswer from the options given below:
Options:
Answer:
Solution:
Statement (A) is incorrect because parental traits are inherited due to complete linkage. Incomplete linkage leads to the formation of recombinant or new traits along with parental traits, but the inheritance of parental traits itself is a feature of linkage, not specifically incomplete linkage.
Statement (B) is correct because incomplete linkage involves crossing over, which produces new trait combinations (recombinants) in the offspring.
Statement (C) is correct because maleDrosophilaexhibits complete linkage (no crossing over occurs in maleDrosophila).
Statement (D) is incorrect because inZea mays, the genes for the color and shape of the grain exhibit incomplete linkage, not complete linkage.
Therefore, statements (A) and (D) are incorrect.
Answer: Statements (A) and (D) are incorrect.
