Location of Genes for Sex-Linked Traits
Genes of sex-linked traits are present on:
- Sex-chromosomes — Correct Answer
- Autosomes
- Both sex chromosomes and autosomes
- Mitochondrial DNA
Explanation:
Correct Answer: Sex-chromosomes
Genes of sex-linked traits are present on sex chromosomes (X or Z chromosome). Examples: Hemophilia, colour blindness (X-linked); Hypertrichosis, TDF — Testis-determining factor (Y-linked).
Gene Location by Trait Type
| Trait Type | Gene Location | Examples |
|---|---|---|
| Sex-linked | Sex chromosomes (X or Y; Z or W in birds) | Barred plumage, broodiness, hemophilia, Hypertrichosis |
| Sex-influenced | Autosomes | Baldness, horn condition in Dorset sheep |
| Sex-limited | Autosomes | Milk production, egg production, semen production |
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.
