TLS Online TPP Program

#Question id: 39290


Q. Assertion: Protoplast fusion between CMS B. napus (with radish cytoplasm) and normal B. napus can produce healthy male sterile plants. 
Reason: The resulting cybrids can retain the radish mitochondria (for CMS) while replacing the radish chloroplasts with B. napus chloroplasts.

#Plant Biotechnology
  1. Both Assertion and Reason are true, and Reason is the correct explanation of Assertion.
  2. Both Assertion and Reason are true, but Reason is NOT the correct explanation of Assertion.
  3. Assertion is true, but Reason is false.
  4.  Assertion is false, but Reason is true
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TLS Online TPP Program

#Question id: 4745

#Applied Microbiology

In some goats, the presence of horns is produced by an autosomal gene that is dominant in males and recessive in females. A horned female is crossed with a hornless male. The F1 offspring are intercrossed to produce the F2. What proportion of the F2 offspring will have horns?

TLS Online TPP Program

#Question id: 4748

#Applied Microbiology

Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?

TLS Online TPP Program

#Question id: 4749

#Applied Microbiology

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: 4752

#Applied Microbiology

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

#Applied Microbiology

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

#Applied Microbiology

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