Q.Assertion (A): Fast-growing protoplasts act as a "feeder layer" in co-culture experiments. 

Reason (R): They compete with slow-growing protoplasts for limited carbon sources, thereby forcing the slow-growing cells to adapt faster.

#Question id: 4716

#Zoology

Which of the following is correct match?

#Question id: 4724

#Applied Microbiology

Which of the following are true about crossing over ?

#Question id: 4727

#Applied Microbiology

if mendal had studied the seven trait using a plant with 12 chromosome instead of 14, in what manner would his interpretation have been different ?

#Question id: 4729

#Applied Microbiology

In the following example, 3 independently assorting genes A, B and C are known to govern coat color in mice. Homozygous recessive cc (albino phenotype) is epistatic over both gene A and B, What will be the expected frequency of non albino, in the progeny from cross of AaBbCc with genotype of AABbCc?

#Question id: 4730

#Applied Microbiology

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?

#Question id: 4732

#Applied Microbiology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?