TLS Online TPP Program

#Question id: 18907


When expression of the DNA insert is desired, the vector should contain at least suitable control elements, 

#Unit 13. Methods in Biology
  1. promoter only
  2. operator only
  3. ribosome binding sites only
  4. promoter, operator and ribosome binding sites
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TLS Online TPP Program

#Question id: 4745

#Unit 8. Inheritance Biology

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: 4746

#Unit 8. Inheritance Biology

Two independent pure line varieties having deep red and brown phenotype in their seed coat were cross, the all f1 progeny is deep red. The F2 progeny obtain from selfing show deep red and brown in ratio of 15:1. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 4747

#Unit 8. Inheritance Biology

How does incomplete dominance differ from incomplete penetrance?

TLS Online TPP Program

#Question id: 4748

#Unit 8. Inheritance Biology

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

#Unit 8. Inheritance Biology

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

#Unit 8. Inheritance Biology

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