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TLS Online TPP Program

#Question id: 3284

The fitness of three genotype are A1A1 < A1A2 = A2A2) Which of the following observation correct?

#SCPH06 I Botany

  1. Directional selection against dominant allele A1

  2. Directional selection against recessive allele A1

  3. Directional selection against dominant allele A2

  4. Directional selection against recessive allele A2

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TLS Online TPP Program

#Question id: 4912

#SCPH06 I Botany

Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?
TLS Online TPP Program

#Question id: 3616

#SCPH28 | Zoology

If the parents are AO and BO genotypes for the ABO blood group, their children could include which of the following genotypes?
TLS Online TPP Program

#Question id: 79

#SCPH05 I Biotechnology

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?
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#Question id: 15478

#I Life Science/ Life Sciences Group – I-V

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 
TLS Online TPP Program

#Question id: 23256

#SCPH01 Biochemistry

Which chromosome pair has same centromeric sequence?