Answer: They compare the number of mutations to determine how long ago species separated and evolved.
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By using both of these schemes, energy source and locomotion, amoeboids can be classified properly. Both schemes play an important part of amoeboid’s taxonomy classification because these organisms changes its shape when feeding. Amoebas are traditionally classified under sub-phylum Sarcodina, single-celled with pseudopods (use for locomotion) but recent studies show that they are not monophyletic and actually belong to other groups of organisms — with locomotion and source of nutrients as basis.
It is the recessive trait that is visible in the F2 generation, but not the F1 generation of the Mendel Crosses.
In a recessive trait, the organism has two recessive allele or similar form of gene.
In the F1 generation all the off springs are heterogeneous with different allele but in the F2 generation the recessive allele comes from the alleles passed on by the parents (off springs of the F1 generation , which have recessive allele)
