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Categories >> Sciences >> Biological Sciences >> Genetics
 
 


 

 
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Question
what is the difference between back cross and test cross?
 Question Submitted By :: Meghana
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is the difference between back cross and test cross?
Answer
# 1
Test cross is the cross between recessive parent with one of
its progeny.


backcross is the crossing between any of its parents with
progeny.
These tests are done normally to identify homozygosity among
the breeds.
 
Is This Answer Correct ?    70 Yes 13 No
Ramya
 
  Re: what is the difference between back cross and test cross?
Answer
# 2
back cross:- it is a cross between f1 individual with one
of its parent genotype.

test cross:-it is a type of back cross between f1
individual and homozygous recessive.
 
Is This Answer Correct ?    27 Yes 6 No
Sonu
 
 
 
  Re: what is the difference between back cross and test cross?
Answer
# 3
Back cross - crossing of hybrid (F1)either of its parents
(dominan / recessive).

AA x aa = Aa x AA / aa

Test Croos - Crossing of F1 with homozygous recessive
parent.

AA x aa = Aa x aa
 
Is This Answer Correct ?    21 Yes 3 No
M. A. Ansari
 
  Re: what is the difference between back cross and test cross?
Answer
# 4
back cross-cross between any of the f1 generation offspring with any one of the two parents either the recessive or the dominant

test cross- cross that is being done between the f1 generation offspring with the recessive parent
This cross is being performed to confirm or check the genotype of f1 generation individual taken as sample for cross
 
Is This Answer Correct ?    7 Yes 0 No
Neha Katiyar
 
  Re: what is the difference between back cross and test cross?
Answer
# 5
test cross: cross between the progeny and the recessive parent.

back cross: the cross between the progeny and either the
dominant or recessive parent
 
Is This Answer Correct ?    1 Yes 0 No
David Mbogo
 

 
 
 
Other Genetics Interview Questions
 
  Question Asked @ Answers
 
what is Interspecific breeding ?   1
what is Fruit Fly Genetics ?   1
Gene = cistron = intron + exon?   2
what is junk DNA?   1
The gene for tallness (T) is dominant over the gene for shortness (t) in pea plants. A homozygous dominant pea plant is crossed with a heterozygous pea plant, and 200 seeds are produced. Approximately how many of these seeds can be expected to produce plants that are homozygous dominant?   3
what is Punnett square ?   1
what areproteomes and proteomics.?   1
What is Male pseudohermaphroditism ? How is it caused?   1
What does it mean to say that an allele of one gene is epistatic to that of another?   1
is male child have more gentical sequence as of father or mother?   7
why dna has no uricel while rna had?   3
What do you think of cloning?   1
 
For more Genetics Interview Questions Click Here 
 
 
 
 
 


   
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