Genetic Disorders
Genetic Disorders: Overview
This topic consists of various concepts like Sickle-cell Anaemia,Down?? Syndrome,Mendelian Disorders, etc.
Important Questions on Genetic Disorders
Choose the Mendelian disorder that is a sex-linked recessive disorder.
What would be the genotype of:
(i) An individual who is carrier of sickle cell anaemia gene but apparently unaffected.
(ii) An individual affected with the disease.
Which of the following species is rarely haemophilic?
Recently a girl baby has been reported to suffer from haemophilia. Her mother was not suffering from the disease. The genotype of her father would be:
The trait can be described as:
The haemophilia is:
Sickle cell anaemia is characterised by
XO chromosomal abnormality in humans causes _____.
Genes of which one of the following is present exclusively on the X-chromosome in humans?
Which of the following statements are correct about Klinefelter's Syndrome?
A. This disorder was first discovered by Langdon Down (1866).
B. Such an individual has overall masculine development. However, the feminine development is also expressed.
C. The affected individual is short stature.
D. Physical, psychomotor and mental development is retarded.
E. Such individuals are sterile.
Choose the correct answer from the options given below:
Which of the following statements are correct about Klinefelter's Syndrome?
A. This disorder was first described by Langdon Down (1866).
B. Such an individual has overall masculine development. However, the feminine development is also expressed.
C. The affected individual is short statured.
D. Physical, psychomotor and mental development is retarded.
E. Such individuals are sterile.
Choose the correct answer from the options given below:
Broad palm with single palm crease is visible in a person suffering from-
Which one of the following symbols represents mating between relatives in human pedigree analysis?
Do females with turner syndrome mensturate?
Find our the genotype of father and mother in given pedigree chart for autosomal recessive disorder.
Given below is the representation of a portion of mutated beta globin chains of haemoglobin due to single base substitution at the 6th codon on mRNA.
Such a mutation cause
Study the given pedigree chart and find the genotypes of the individuals II and III.
Write a short note on turner syndrome.
Explain chromosome aberration.
