Mitochondrial DNA is used to follow maternal inheritance and sequences on the Y chromosome is used to follow paternal inheritance. Why is it not practical to analyze paternal inheritance in this class?

Basically , male sex  cells  are  determined by the XY combination; heterosomes, (while the female sex cells by the XX). Since  it is the Y chromosomes present in  the father only that determines the  male sex of the child and therefore the proof of paternal inheritance ' the women in the class will not be able to participate in the inheritance analysis.Due to  lack  of  the Y -chromosomes.

Explanation:

explanation:

they can be good for the ecosystem

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands