Determining relationships between alleles
You decide to conduct a genetic analysis of these mutant lines by crossing each with a pure wild-type line. The numbers in the F2 indicate the number of progeny in each phenotypic class.
From these results, determine the relationship between the mutant allele and its corresponding wild-type allele in each line.
Label each mutant line with the best statement from the list below. Labels may be used once, more than once, or not at all.



Answer :

Codominance. The dominance in which the two alleles or traits of the genotypes (of both homozygotes) are displayed simultaneously in offspring is referred to as codominance (phenotype). In cross-breeding, neither a dominant nor a recessive allele exists.

How do genes and alleles relate to one another?

A gene is a segment of DNA or RNA that controls a certain trait. Genes are subject to mutation and can exist in two or more distinct forms; an allele is one of these forms.

Is the ABO blood types' manner of inheritance indicative of dominance? Is there codominance or regression?

Inheritance of the ABO blood type is autosomal dominant. The O allele is recessive and the codominant alleles are A and B.

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