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#Question id: 4574


Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

#I Life Science/ Life Sciences Group – I-V
  1. homologous.

  2. examples of convergent evolution.

  3. adaptations to a common environment.

  4. B and C only

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TLS Online TPP Program

#Question id: 5700

#SCPH06 I Botany

During meiosis, homologous chromosomes pair up along their lengths. The most plausible explanation for the karyotype structure shown above is that

TLS Online TPP Program

#Question id: 5700

#SCPH28 | Zoology

During meiosis, homologous chromosomes pair up along their lengths. The most plausible explanation for the karyotype structure shown above is that

TLS Online TPP Program

#Question id: 5701

#SCPH06 I Botany

Cross-over suppressors are production of gametes having cross over products is lethal. Which of the following statement is incorrect?

TLS Online TPP Program

#Question id: 5701

#SCPH28 | Zoology

Cross-over suppressors are production of gametes having cross over products is lethal. Which of the following statement is incorrect?

TLS Online TPP Program

#Question id: 5702

#SCPH06 I Botany

What is probability of couple where male is karyotypically normal and the female in pericentric inversion in heterozygous condition produced child with disability if no crossing over takes placed within pericentric inversion. (Note: Duplication and deletion in gamete will results  in disability)

TLS Online TPP Program

#Question id: 5702

#SCPH28 | Zoology

What is probability of couple where male is karyotypically normal and the female in pericentric inversion in heterozygous condition produced child with disability if no crossing over takes placed within pericentric inversion. (Note: Duplication and deletion in gamete will results  in disability)