A. TTxTT
B. TTxTt
C. TtxTt
D. Ttxtt
Related Mcqs:
- 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 - Concept of triple test cross of analysis was developed by____________________?
A. Kearsey and Jinks (1960)
B. Mather (1949)
C. Anderson (1957)
D. Fisher (1960) - In oat an site-specific cross between Ivena sativa and A busantus_____________________?
A. Incompatible
B. Partially fertile
C. Sterile
D. Fully fertile - 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 - A cross of hybrid with one of its parents is termed as____________________?
A. Hybridization
B. Backcross
C. Test cross
D. Biohybrid - Top cross was first suggested by__________________?
A. Simmonds (1979)
B. East (1908)
C. Davenport (1908)
D. Davis (1927) - 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 - 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 - A cross of hybrid with one of its recessive parent is termed____________________?
A. Test cross
B. Backcross
C. Hybridization
D. Trihybrid - In line x tester cross mating is done between:
A. Males & females
B. Among males
C. Among females
D. All of theseSubmitted by: Abbas khan
