A pure-breeding strain of squash that produced disk-shaped fruits was crossed with a pure breeding strain having long fruits. The F1 had disk fruits, but the F2 showed a new phenotype, sphere, and was composed of the following proportions

Disk  384            

Sphere 96

 Long  32

What is reason for F2 phenotype?

TLS Online TPP Program

#Question id: 331

#SCPH06 I Botany

A positive and a negative charge are initially 4 cm apart. When they are moved closer together so that they are now only 1 cm apart, the force between them will be

TLS Online TPP Program

#Question id: 6968

#SCPH06 I Botany

In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:

TLS Online TPP Program

#Question id: 22951

#SCPH06 I Botany

Which of the following combination of genes are floral meristem identity?

TLS Online TPP Program

#Question id: 4730

#SCPH06 I Botany

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

TLS Online TPP Program

#Question id: 1620

#SCPH05 I Biotechnology

Natural killer (NK) cells do NOT: