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Aditi
Subject: Biology
, asked on 18/3/18
Q. Explain the meaning and how to solve questions on pedigree analysis with an example?
Answer
1
Sandra Saju
Subject: Biology
, asked on 14/3/18
Differentiate between monosomy and trisomy. Give an example for each. ( Provide in a tabular column please)
Answer
1
Ian Colaco
Subject: Biology
, asked on 12/3/18
What is meant by polygenism? explain this phenomenon with an example of human skin colour.
Answer
1
Ian Colaco
Subject: Biology
, asked on 7/3/18
Explain Mendels work to prove law of dominance , law of segregation
Answer
1
Gunjan Behwal
Subject: Biology
, asked on 21/2/18
solve this
Eggs fertilised by sperm having an
X-chromosome become females and.
those fertilised by sperms that do not
have an X-chromosome become males. Do
you think the number of chromosomes in
the male and female are equal? Due to the
involvement of the X-chromosome in the
determination of sex, it was designated to
be the sex chromosome ,and the rest of the chromosomes were name
Solve this:
Answer
2
Gunjan Behwal
Subject: Biology
, asked on 21/2/18
Solve this:
Table 5.a: A Comparison between the Behaviour of Chromosome.
and Genes
A
B
Occur in pairs
Occur in pairs
Segregate at the time Of gamete formation such that only one of each pair is transmitted to a gamete
Segregate at gamete formation and only one of each pair is transmitted to a gamete
Independent pairs segregate independently of each other
one pairs segregate independently of another pair
Can You tell which Of these columns A or B represent the chromosome
and which represents the gene? How did you decide?
Solve this:
Answer
1
Gunjan Behwal
Subject: Biology
, asked on 21/2/18
Solve this:
Using Punnett square, try to find out the nature of offspring of a test cross. What ratio did you get? Using the genotypes of this cross, can you give a general definition for a test cross?
Answer
1
Prerna Varshney
Subject: Biology
, asked on 18/2/18
Describe the dihybrid cross carried on Drosophila melanogaster by Morgan and his group.
How did they explain linkage, recombination and gene mapping on the basis of their observations ?
Answer
1
Prerna Varshney
Subject: Biology
, asked on 16/2/18
Explain the pattern of inheritance of thalassemia with help of cross
Answer
1
Sandra Saju
Subject: Biology
, asked on 8/2/18
A couple with normal vision bear a colour blind child. Work out a cross to show how it is possible and mention the sex of the affected child.
Answer
1
Apurva Inamdar
Subject: Biology
, asked on 4/2/18
How did Mendel find out which trait was dominant in the dihybrid cross?
Answer
1
Sandra Saju
Subject: Biology
, asked on 31/1/18
What are the different types of Myotonic dystrophy ?
Answer
1
Sandra Saju
Subject: Biology
, asked on 31/1/18
Why is condition of Myotonic dystrophy worsen in each generation ?
Answer
1
Sandra Saju
Subject: Biology
, asked on 31/1/18
How does myotonic dystrophy affects the fertility of an affected person ?
Answer
1
Sandra Saju
Subject: Biology
, asked on 31/1/18
Mutation of which gene leads to myotpnic dystrophy ??
Answer
1
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What are you looking for?
Eggs fertilised by sperm having an
Table 5.a: A Comparison between the Behaviour of Chromosome.
Using Punnett square, try to find out the nature of offspring of a test cross. What ratio did you get? Using the genotypes of this cross, can you give a general definition for a test cross?
How did they explain linkage, recombination and gene mapping on the basis of their observations ?