Using your knowledge of Punnett squares and hybridization, what is the probability that a purebred monohybrid, dihybrid, three-factor cross or higher will lead to the expression of dominant phenotypes in first-generation offspring?
Answers
Answered by
2
Answer:
100%
Explanation:
No matter how many factors are in the cross, if an 2 purebred (homozygous individuals) are crossed, (one dominant, one recessive) the dominant phenotype will always be displayed.
Imagine a cross with between two individuals true breeding for 6 traits. One shows all dominant genotypes, one shows all recessive genotypes. The only gametes those individuals canpass on will always produce heterozygotes.
The first individual can only give dominant alleles. The second individual can only give recessive alleles. Therefore, all offspring will be heterozygotes, and will therefore express the dominant trait.
Similar questions