Explanation:
The brain, skin and bones are genetically related thru DNA.
Gene expression regulates differation of cells...
Answer: Option D )Males have two different chromosomes.
Explanation:
The human males have two different chromosomes known as the XY- chromosome. Hence, a human male child receives a Y chromosome from his father with XY, and a X chromosome from his mother with XX.
Females, on the other hand have similar chromosomes (XX-chromosome), each X received from each parent.
Thus, the XY-chromosome in human males make for two different chromosomes.
crytogams - this type of vascular plant reproduces by spore.
phanerogams - this type of vascular plant reproduces from the seeds, hence also named as seed plants.
Angiosperms - this type of vascular plant reproduces flowers and fruits
Gymnosperms - this type of vascular plant reproduces cones and seeds only.
B arthropoda have more number of species in the world
