|
A child has blood group O
|
|
1
|
2521
|
November 7, 2016
|
|
A pea plant with purple flowers was crossed
|
|
1
|
11845
|
November 7, 2016
|
|
A teacher wants his/her students
|
|
1
|
2751
|
November 7, 2016
|
|
How are alleles of particular gene differ from each other? Explain its significance
|
|
0
|
2879
|
November 7, 2016
|
|
How do biologists use cross over frequencies to map genes on chromosomes?
|
|
0
|
734
|
November 7, 2016
|
|
In a dihybrid cross, white eyed, yellow bodied female Drosophila was crossed with red eyed
|
|
1
|
4787
|
November 7, 2016
|
|
Explain two situations, when independent assortment of genes occur, resulting in 50% recombinants
|
|
0
|
4505
|
November 7, 2016
|
|
Two heterozygous parents are crossed
|
|
1
|
1805
|
November 7, 2016
|
|
Linkage and crossing over of genes are alternatives of each other
|
|
1
|
1515
|
November 7, 2016
|
|
In snapdragon, a cross between true-breeding red flowered (RR) plants
|
|
1
|
3594
|
November 7, 2016
|
|
When a cross is made between tall plant
|
|
1
|
3454
|
November 7, 2016
|
|
Using a Punnett square
|
|
1
|
1134
|
November 7, 2016
|
|
Why is the possibility of human female suffering from haemophilia rare?Explain
|
|
1
|
3997
|
August 29, 2016
|
|
Explain sex determination mechanism in humans.How is it different in birds?
|
|
0
|
6398
|
August 29, 2016
|
|
Name the genetic disorder in a human female having 44+ XO karyotype.Mention the diagnostic features of the disorder
|
|
1
|
3668
|
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
|
2994
|
August 29, 2016
|
|
Why are human females rarely haemophilic? Explain. How do haemophilic patients suffer?
|
|
0
|
7179
|
August 29, 2016
|
|
Identify 'a','b','c','d','e' and 'f' in the table given below :
|
|
1
|
1710
|
August 29, 2016
|
|
Write the type and location of the gene causing thalassemia in humans.State the cause and symptoms of the disease
|
|
0
|
4053
|
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
|
2179
|
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
|
3030
|
August 29, 2016
|
|
A colourblind child is born to a normal couple.Work out a cross to show how it is possible
|
|
0
|
475
|
August 29, 2016
|
|
Why are grasshopper and Drospphila said to show male heterogamity? Explain
|
|
1
|
1852
|
August 29, 2016
|
|
What is the cause of Down's syndrome in humans?
|
|
0
|
706
|
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
|
388
|
August 29, 2016
|
|
The son of a haemophilic man does not get this genetic disorder. Mention the reason
|
|
0
|
2910
|
August 29, 2016
|
|
Name one autosomal dominant and one autosomal recessive Mendelian disorder in humans
|
|
0
|
4855
|
August 29, 2016
|
|
Why do normal red blood cells become elongated sickle shaped structures in a person suffering from sickle cell anaemia?
|
|
0
|
3154
|
August 29, 2016
|
|
What is the inheritance pattern observed in the size of starch grains and seed shape of Pisum sativum?
|
|
1
|
5740
|
August 29, 2016
|
|
State the law of independent assortment
|
|
0
|
2516
|
August 29, 2016
|