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Category: Biology
LSc-100, GCET Biology Prep series 04
GCET-prep-bio-series-41 (1)
What is pedigree analysis? Suggest how it is useful.
A record of occurrence of a trait in several generations of human family is called pedigree analysis.( ancestral history of an individual) It is Read More …
Write a brief note on Down’s Syndrome
It is an autosomal aneuploidy (Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome ). Read More …
Using Punnet Square, work out the distribution of phenotypic features in the first filial generation after a cross between homozygous female &heterozygous male for a single locus.
Why don’t purelines exhibit genetic variation for natural selection to act?
Purelines appear due to continuous inbreeding or self that makes the similarity in gene pairs. Thus, variations in pure lines are only environmental & Read More …
What are pleotropic genes?
Gene with multiple effect.
Mention the advantages of selecting Pea plant for the experiments by Mendel ?
The advantages of selecting Pea plant for the experiments by Mendel are: Pea plants have a short life cycle. They are easy to grow Read More …
Describe in detail the structure of DNA polynucleotide chain.
A nucleotide has three components – a nitrogenous base, a pentose sugar deoxyribose , and a phosphate group. There are two types of nitrogenous Read More …
Discuss the origin and evolution of Man.
Name 1st appeared characteristics Brain capacity place diet Dryopithecus & Ramapithecus 15 million years ago (MYA) Hairy, Ape like gait Ramapithecus more Read More …
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