Among the following the test cross is_________________?

Related Mcqs:

1. 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...

2. Concept of triple test cross of analysis was developed by____________________?

   A. Kearsey and Jinks (1960) B. Mather (1949) C. Anderson (1957) D. Fisher (1960)...

3. In oat an site-specific cross between Ivena sativa and A busantus_____________________?

   A. Incompatible B. Partially fertile C. Sterile D. Fully fertile...

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. A cross of hybrid with one of its parents is termed as____________________?

   A. Hybridization B. Backcross C. Test cross D. Biohybrid...

6. Top cross was first suggested by__________________?

   A. Simmonds (1979) B. East (1908) C. Davenport (1908) D. Davis (1927)...

7. Suppose that out of 1000 offspring’s in the generation of a dithered cross, 748 are tall and hairy, 6 are tall and smooth, 4 are short and hairy and 242 are short and smooth. what is the explanation for this kind of ratio ?

   A. Linkage and crossing over B. Presence of multiple alleles C. Presence of lethal genes D. Sex-linkage...

8. The offspring of a cross between twp individuals differing in at least one set of characters is called__________________?

   A. Polyploidy B. Mutant C. Variant D. Hybrid...

9. A cross of hybrid with one of its recessive parent is termed____________________?

   A. Test cross B. Backcross C. Hybridization D. Trihybrid...

10. 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...