define test cross with examples giving it's significance?
Answers
Answered by
2
Answer:
The test cross is performed to determine the genotype of a dominant parent if it is a heterozygous or homozygous dominant. If all the offsprings are of same phenotype, then the parent is homozygous dominant. ... If there is 1:1 ratio in the phenotype of the organisms, the parent is heterozygous dominant.
Answered by
5
Definition : A cross between the member of the filial generation and the recessive variety parental organism is called TEST CROSS.
Example : on picture
Significance : It detects the deviation from Mendelian ratio and apparent contradiction to law of independent assortment. It also gives idea regarding modification of phenotypic ratio when of the two pairs of alleles, one pair only show incomplete dominance.
Attachments:
Similar questions