Match the column correctly
Column l Column ll
a. Phenylketonuria i. Autosomal trisomy associated with mongolism
b. Down's syndrome ii. Gynaecomastia
c. Klinefelter's syndrome iii. Autosomal recessive trait associated with mental retardation
d. Turner's syndrome iv. Sterile females with rudimentary ovaries
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(iii), c(i), d(iv)
3. a(ii), b(i), c(iii), d(iv)
4. a(iii), b(i), c(ii), d(iv)
All are X-linked traits, except
1. Colourblindness
2. Haemophilia
3. Deficiency of glucose-6-phosphate dehydrogenase
4. Hypertrichosis
If we change the position of genes on chromosomes it will be included in
1. Gene mutation
2. Chromosomal mutation
3. Polyploidy
4. Transversion mutation
If size of strach grains in pea is considered as phenotype, Bb alleles show
1. Dominance
2. Codominance
3. Incomplete dominance
4. Pleiotropism
Both the alleles produce their effect in
1. Heterozygous B blood group
2. Sickle cell hemoglobin
3. Snapdragon flower color
4. Cucurbits fruit color
Law of segregation can be proved with
1. The presence of dominant genotype in
2. The presence of recessive genotype in
3. The presence of recessive homozygous in
4. The presence of a heterozygous individual in
Which of the following traits shows expression in only homozygous condition?
1. Yellow seed
2. Inflated pod
3. Axial flower
4. Wrinkled seed
In the given below figure what does (a) and (b) represent
1. GAG, Glumatic acid
2. GUG, Valine
3. GAG, Valine
4. GUG, Glumatic acid
Choose odd one out with respect to chromosomal disorder
1. Down's syndrome
2. Klinefelter's syndrome
3. Turner's syndrome
4. Thalassemia
Morgan worked with the tiny fruit flies - Drosophila melanogaster, which were suitable for genetical studies, as
a. They could be grown on simple medium
b. They complete their life cycle in about two weeks
c. Single mating could produce a large number of progeny flies
d. No clear cut sexual dimorphism is found
1. Only d is incorrect
2. Both a and d are incorrect
3. Only b is correct
4. Both c and d are incorrect