TLS Online TPP Program

#Question id: 20181


Rutherford’s atomic model suggests the existence

#XL - P Chemistry
  1. Atom
  2. Nucleus
  3. alpha-particle 
  4. Mesons
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TLS Online TPP Program

#Question id: 5705

#XL - R Botany

The chromosome has been broken at two points, and the segment between them has been inverted. What will be affects of this inversion however, person is heterozygous this abnormality?

TLS Online TPP Program

#Question id: 5706

#XL - R Botany

Species A has 2n = 16 chromosomes and species B has 2n = 14. How many chromosomes would be found in an allotriploid of these two species?

TLS Online TPP Program

#Question id: 5708

#XL - R Botany

If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

TLS Online TPP Program

#Question id: 5709

#XL - R 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 50% chance of crossing over takes placed within pericentric inversion. (Note: Duplication and deletion in gamete will results  in disability)

TLS Online TPP Program

#Question id: 5716

#XL - R Botany

Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes

TLS Online TPP Program

#Question id: 5718

#XL - R Botany

aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. which of following the incorrect about nondisjuction ?