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Question
What are X-linked genes?
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Solution
The genes which are present on the non-homologous region of X-chromosome are known as X-linked genes.
RELATED QUESTIONS
the Biological/technical term for An alteration in the genetic material that can be inherited.
Match the terms in column I with their explanations in column II.
| Column I (Term) | Column I (Explanation) | ||
| a | genetics | 1 | Chromosomes similar in size and shape |
| b | Autosomes | 2 | The alternative forms of a gene |
| c | Recessive gene | 3 | Study of laws of inheritance of characters |
| d | Allele | 4 | A gene that can express only when in a similar pair |
| e | Homologous chromosomes | 5 | Chromosomes other than the pair of sex chromosomes |
Identify the CORRECT statement from the following.
Both male and female have normal vision though their fathers were colour blind mothers did not have any gene for colour blindness. The probability of their daughter becoming colour blind is ______.
If a normal visioned woman marries a colour blind man then, ______,
Holandric genes are found only in ____________.
If a colour blind man marries a normal visioned woman, what is the percentage of offsprings showing colour blindness phenotypically?
Name any two X-Linked recessive disorders.
Given diagram is a simplified representation of human sex chromosome. The gene A and B could be of ______.

How many recessive alleles must a female possess to express an X-linked recessive trait like haemophilia?
