what is the difference between test cross and back cross?

Answer Posted / joseph

a test cross is the cross made between the progeny and the recessive parent,whereas the back cross means crossing of progeny with either dominant or recesive parent.

Is This Answer Correct ?    34 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is Recombination in Human Mitochondrial DNA really possible?

1711


Are there additional resources / individuals that you can recommend for my paper?

1704


In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?

2527


Why do we age?

1847


What is the chemical composition of gene?

1745






What are the benefits/risks when company traditional and genetically engineered breeding?

1715


Explain in terms of gene product function how a mutant allele can be dominant? recessive?

1525


What are the down sides of Genetic Engineering?

1548


Can you name a few potential risks of Genetic Engineering?

1627


what is Avian flu threat? what are its symptoms?

1619


A base deletion occurs in the regulator gene of the LAC operon. Describe how the operation of the LAC operon might be affected?

1583


How to construct Genetic Code?

1625


Does unwinding DNA cause aging?

1690


A blastomere was removed from an 8-cell human embryo, and its beta-globin gene was amplified by PCR. The beta-globin DNA was treated with an enzyme that cuts on either side of and within the normal allele (producing a small fragment), but not within the sickle cell allele (producing a large fragment). Electrophoresis of the treated DNA from the blastomere demonstrated the presence of both a large and small fragment derived from the beta-globin genes. How should you interpret this test?

1582


what are the genetical reasons behind obesity?

2092