During sexual reproduction, each parent contributes A
a double helix of chromosomes.
B
one strand of chromosomes, or half of the new organism's DNA.
С
a dominant gene and a recessive gene.
D
multiple mutated cells.

b one strand of chromosomes or half of the new organisms Dna

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.