|
A child has blood group O
|
|
1
|
2637
|
November 7, 2016
|
|
A pea plant with purple flowers was crossed
|
|
1
|
11961
|
November 7, 2016
|
|
A teacher wants his/her students
|
|
1
|
2858
|
November 7, 2016
|
|
How are alleles of particular gene differ from each other? Explain its significance
|
|
0
|
2936
|
November 7, 2016
|
|
How do biologists use cross over frequencies to map genes on chromosomes?
|
|
0
|
771
|
November 7, 2016
|
|
In a dihybrid cross, white eyed, yellow bodied female Drosophila was crossed with red eyed
|
|
1
|
4898
|
November 7, 2016
|
|
Explain two situations, when independent assortment of genes occur, resulting in 50% recombinants
|
|
0
|
4610
|
November 7, 2016
|
|
Two heterozygous parents are crossed
|
|
1
|
1863
|
November 7, 2016
|
|
Linkage and crossing over of genes are alternatives of each other
|
|
1
|
1564
|
November 7, 2016
|
|
In snapdragon, a cross between true-breeding red flowered (RR) plants
|
|
1
|
3657
|
November 7, 2016
|
|
When a cross is made between tall plant
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|
1
|
3562
|
November 7, 2016
|
|
Using a Punnett square
|
|
1
|
1181
|
November 7, 2016
|
|
Why is the possibility of human female suffering from haemophilia rare?Explain
|
|
1
|
4083
|
August 29, 2016
|
|
Explain sex determination mechanism in humans.How is it different in birds?
|
|
0
|
6446
|
August 29, 2016
|
|
Name the genetic disorder in a human female having 44+ XO karyotype.Mention the diagnostic features of the disorder
|
|
1
|
3739
|
August 29, 2016
|
|
Given below is the representation of amino acid composition of the relevant translated portion of chain of haemoglobin, related to the shape of human red blood cells
|
|
1
|
3089
|
August 29, 2016
|
|
Why are human females rarely haemophilic? Explain. How do haemophilic patients suffer?
|
|
0
|
7244
|
August 29, 2016
|
|
Identify 'a','b','c','d','e' and 'f' in the table given below :
|
|
1
|
1772
|
August 29, 2016
|
|
Write the type and location of the gene causing thalassemia in humans.State the cause and symptoms of the disease
|
|
0
|
4113
|
August 29, 2016
|
|
A non-haemophilic couple was informed by their doctor that there is possibility of a haemophilic child be born to them
|
|
1
|
2297
|
August 29, 2016
|
|
This is the pedigree of a family tracing the movement of the gene for haemophilia.Explain the pattern of inheritance of the disease in the family
|
|
1
|
3137
|
August 29, 2016
|
|
A colourblind child is born to a normal couple.Work out a cross to show how it is possible
|
|
0
|
513
|
August 29, 2016
|
|
Why are grasshopper and Drospphila said to show male heterogamity? Explain
|
|
1
|
1898
|
August 29, 2016
|
|
What is the cause of Down's syndrome in humans?
|
|
0
|
739
|
August 29, 2016
|
|
What is the difference in the amino-acid sequence in the B-chain of haemoglobin in a normal person and a sickel-cell anaemia person?
|
|
0
|
421
|
August 29, 2016
|
|
The son of a haemophilic man does not get this genetic disorder. Mention the reason
|
|
0
|
2968
|
August 29, 2016
|
|
Name one autosomal dominant and one autosomal recessive Mendelian disorder in humans
|
|
0
|
4900
|
August 29, 2016
|
|
Why do normal red blood cells become elongated sickle shaped structures in a person suffering from sickle cell anaemia?
|
|
0
|
3223
|
August 29, 2016
|
|
What is the inheritance pattern observed in the size of starch grains and seed shape of Pisum sativum?
|
|
1
|
5895
|
August 29, 2016
|
|
State the law of independent assortment
|
|
0
|
2615
|
August 29, 2016
|