मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

“Migration may enhance or blurr the effects of selection”. Comment. - Biology

Advertisements
Advertisements

प्रश्न

“Migration may enhance or blurr the effects of selection”. Comment.

अति संक्षिप्त उत्तर
Advertisements

उत्तर

Migration may cause enrichment of the gene pool of such alleles that are being selected for, or nullify the effects of selection through replenishment of alleles that were selected against by nature.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Evolution - SHORT ANSWER [पृष्ठ ५०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 7 Evolution
SHORT ANSWER | Q 12. | पृष्ठ ५०
नूतन Biology [English] Class 12 ISC
पाठ 8 Evidences and Theories of Biological Evolution
TEST YOUR PROGRESS | Q 76. | पृष्ठ ३४९

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What does the following equation represent? Explain:

p2 + 2pq + q2 = 1.


Give the graphical representation of Hardy· Weinberg's principle in the form of Punnet Square.


p2 + 2pq + q2 = 1. Explain this algebraic equation on the basis of Hardy Weinberg's principle.


State Hardy-Weinberg’s principle.


Differentiate between Directional natural selection and Disruptive natural selection. 


According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?


How does the Hardy-Wienberg equation explain genetic equilibrium?


Very short answer question.

State the Hardy – Weinberg equilibrium.


Explain how mutations, natural selection and genetic drift affect Hardy Weinberg equilibrium.


In a population, Hardy Weinberg equilibrium is disturbed by following factors EXCEPT ______.


Hardy Weinberg's principle explains ______


Hardy - Weinberg equilibrium is known to be affected by gene - flow, genetic drift, mutation, genetic recombination and


Disturbance of Hardy - Weinberg equilibrium results in


The factor that leads to the Founder effect in a population is ______


State and explain any three factors affecting allele frequency in populations.


Gene flow occurs through generations. and can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history? Do you agree or disagree? Provide explanation to your answer.


Enumerate three most characteristic criteria for designating a Mendelian population.


List any two factors that can disturb the genetic equilibrium.


Explain Hardy-Weinberg's principle


A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:

Frequency of the allele (A).


A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:

The number of carrier fruit flies.


The black colour on the beak of finches dominates over the yellow colour. There are 210 individuals with the genotype DD, 245 individuals with the genotype Dd and 45 individuals with the genotype dd. Deduce the frequency of individuals with dominant, heterozygous, and recessive traits.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×