TLS Online TPP Program

#Question id: 11479


Tastes and smells are distinct kinds of environmental information where ________.

#Unit 7. System Physiology – Animal
  1. neural projections from taste receptors reach different parts of the brain than the neural projections from olfactory receptors

  2. the single area of the cerebral cortex that receives smell and taste signals can distinguish tastes and smells by the pattern of action potentials received

  3. tastant molecules are airborne, whereas odorant molecules are dissolved in fluids
  4. distinguishing tastant molecules requires learning, whereas smell discrimination is an innate process
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TLS Online TPP Program

#Question id: 3516

#Unit 8. Inheritance Biology

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?

TLS Online TPP Program

#Question id: 3517

#Unit 8. Inheritance Biology

The following two genotypes are crossed: AaBbCcddX AabbCcDd. What will number of different genotypes among the progeny of this cross?

TLS Online TPP Program

#Question id: 3518

#Unit 8. Inheritance Biology

Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?

TLS Online TPP Program

#Question id: 3519

#Unit 8. Inheritance Biology

If quadruple heterozygote of genotype Aa Bb Cc Dd is self-fertilized, what is the probability of a quadruple heterozygote Aa Bb Cc Dd offspring is assuming independent assortment of all four pairs of alleles.

TLS Online TPP Program

#Question id: 3520

#Unit 8. Inheritance Biology

flower colour  in plant  RR- red , rr- white , Rr- pink  and height of plant ( TT,Tt-tall)  ,(tt- dwarf), If cross allowed between plant RrTt X Rrtt, then what probability of progeny plant having pink flower and dwarf variety ?

TLS Online TPP Program

#Question id: 3521

#Unit 8. Inheritance Biology

Which of the following is incorrect about independent assortment?