8 public questions tagged with this topic.
Since males have only one X chromosome, X-linked recessive disorders are more common in them. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Thomas Hunt Morgan discovered sex-linked inheritance by studying eye color inheritance in Drosophila melanogaster.
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Chromosomal Theory Linkage Recombination Gene Mapping
Hemophilia is a sex-linked recessive disorder carried on the X chromosome.
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Polygenic Inheritance Pleiotropy and Quantitative Inheritance
Hemizygosity explains why males (XY) express X-linked recessive traits more frequently, as they have only one X chromosome.
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Polygenic Inheritance Pleiotropy and Quantitative Inheritance
Color blindness follows an X-linked recessive inheritance pattern, primarily affecting males.
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Polygenic Inheritance Pleiotropy and Quantitative Inheritance
Females can inherit X-linked recessive disorders if they receive two copies of the affected allele (one from each parent).
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Non-Mendelian Inheritance - Incomplete Dominance Co-dominance Multiple Alleles
Since males have only one X chromosome, X-linked recessive disorders are more common in them.
Ref: NCERT Class 12 Biology Chapter 4: Principles of Inheritance and Variation Monohybrid Dihybrid and Test Cross
