In line x tester cross each male is crossed with____________________?

Related Mcqs:

1. In line x tester cross mating is done between:

   A. Males & females
   B. Among males
   C. Among females
   D. All of these

   Submitted by: Abbas khan

2. If the offspring of F, (blue) is crossed with white male parent the result will be______________________?

   A. All blue
   B. All white
   C. All black
   D. Half blue and half white

3. When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?

   A. Albinism is dominant over green characters
   B. Green plastids of male parent become nitrated
   C. Plastids are inherited through maternal parents
   D. Crossing over results in structural changes in green plastids

4. In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

   A. Dominant lethal genes in heterozygous individuals
   B. Dominant lethal genes in homozygous individuals
   C. Dominant epistasis
   D. None of the above

5. When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________?

   A. 3:1
   B. 1:2:3
   C. 1:1:1:1
   D. 1:2:1

6. Line x tester analysis provides information about:________?

   A. GCA & SCA variances
   B. GCA & SCA effects
   C. D & H components
   D. All of these

   Submitted by: Abbas khan

7. The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________?

   A. 2 to 4
   B. 1 to 2
   C. 4 to 8
   D. 3 to 6

8. Various crosses made using a common tester are__________________?

   A. Top crosses
   B. Biparental cross
   C. Double cross
   D. Test cross

9. The first ever inter generic crossed has been successfully performed between bamboo and sugarcane by_______________________?

   A. T.S. Venkatraman
   B. R.S. Paroda
   C. R.B. Singh
   D. T.S. Verma

10. Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

    A. Recessive
    B. Incomplete dominant
    C. Mutant
    D. Dominant