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Agriculture · Q939

Genetics And Plant Breeding

Graduate and Post Graduate · Agriculture · question 939

Q939

Performance of a double cross hybrid can be predicted by taking the average performance of

A.
The inbreds involved in marking the double cross
Answer
B.
All the single crosses to be used in making the double cross
C.
The four non-parental single crosses obtained from the four inbreds
D.
All the single crosses produced from the four inbreds

Answer: Option A

Solution

Answer: Option A
Solution:
The performance of a double cross hybrid can be predicted by taking the average performance of the inbreds involved in marking the double cross.
Double cross hybrids are the product of crossing two distinct single crosses.
The name of Donald F. Jones is probably most commonly associated with the double-cross technique, the method that made hybrid corn practical.
The performance of double-cross hybrids was predicted based on the performance of single and three-way crosses.