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TLS Online TPP Program

#Question id: 4618

Which of the following observations helped Darwin shape his concept of descent with modification?

#Unit 11. Evolution and Behavior

  1. Species diversity declines farther from the equator.

  2. Fewer species live on islands than on the nearest continents.

  3. Birds live on islands located farther from the mainland than the birds' maximum nonstop flight distance.

  4. South American temperate plants are more similar to the tropical plants of South America than to the temperate plants of Europe.

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TLS Online TPP Program

#Question id: 26787

#Unit 8. Inheritance Biology

In the S phase of meiotic interphase, each chromosome replicates, producing two copies of each allele, one on each chromatid, the homologous chromosomes segregation takes place in__

Which of the following statements is correct about the segregation of chromosomes?

a.If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase II and are identical

b. If crossing over has taken place, the two chromatids are no longer identical, and the different alleles segregate in anaphase II

c. If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase I and are identical
TLS Online TPP Program

#Question id: 26788

#Unit 8. Inheritance Biology

Which of the following factors did not contribute to Mendel’s success in his study of heredity?

a.His use of the monoecious pea plant

b.His study of plant chromosome

c.His adoption of an experimental approach

d.His use of mathematics

e.The Plant use is easy to cultivate
TLS Online TPP Program

#Question id: 26789

#Unit 8. Inheritance Biology

Given below are types of crossing in column II and their associated features/effects/functions in column I

 Select the correct set of combinations from the options given below: 
TLS Online TPP Program

#Question id: 26795

#Unit 8. Inheritance Biology

frequency of recombinant gametes is equals to___
TLS Online TPP Program

#Question id: 26796

#Unit 8. Inheritance Biology

50 meiocyte has 5% recombinant frequency in their gametes A and B, then how many meiocyte undergo  single crossing over 
TLS Online TPP Program

#Question id: 26797

#Unit 8. Inheritance Biology

If the recombinant  frequecy b/w  A-B= 10, A-C = 4, and B-C =5, then the order of the loci on the chromosome is____