TLS Online TPP Program

#Question id: 2121


Which of the following membrane activities requires energy from ATP hydrolysis?

#XL - S Microbiology
  1. facilitated diffusion of chloride ions across the membrane through a chloride channel

  2. movement of Na+ ions from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid

  3. movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell

  4. movement of carbon dioxide out of a paramecium

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TLS Online TPP Program

#Question id: 4749

#XL - R Botany

A normal woman, whose father was Hemophilic and color blind is married to a colorblind, nonhemophilic man. What will be probability of colorblind, hemophilic daughter?

TLS Online TPP Program

#Question id: 4750

#XL - R Botany

Which of the following is similarity about Sex-limited Characteristics (SLC) and genomic imprinting (GI)?

TLS Online TPP Program

#Question id: 4751

#XL - R Botany

In the following example, 3 independently assorting genes are known to govern coat color in mice. The genotype of few of the coat colors is given below:

Agouti: A-B-C- Black: aa B-C - Albino: -- -- cc

What will be the expected frequency of abino, in progeny from crosses of  AaBbCc with albino of the genotype aabbcc?

TLS Online TPP Program

#Question id: 4752

#XL - R Botany

Red-green color blindness is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. What is the probability that they will have a color-blind daughter? What is the probability that their first son will be color-blind respectively?

TLS Online TPP Program

#Question id: 4753

#XL - R Botany

Pattern baldness in humans is a sex-influenced trait that is autosomes dominant in males and recessive in females. What is genotype of both parents with normal hair had one son with pattern baldness and another son is normal hair?

TLS Online TPP Program

#Question id: 4754

#XL - R Botany

Allele A is epistatic to allele B. Which of the following statement are incorrect?