<span>The answer to this question would be: a male inherits only one allele of the X-linked gene controlling hair color
Tortoiseshell phenotype appears when a cat has two different X-linked gene that controls hair color. This result as a combination of hair color. Male cat sex gene is XY. Normally male cat only has 1 X gene, thus only have 1 color and can't have tortoiseshell phenotype unless there is pathological multiplication in X gene.</span>
Answer:
It's d crossing over is the answer
This is because twilight or mesopelagic zone (extending from 200 meters to 1,000 meters) is the zone that contains the thermocline.
A thermocline or the thermal layer is a layer in an ocean or lake where the temperature changes more rapidly with depth than in the other layers. The thermocline in twilight zone divides the upper mixed layer from the calm deep water below.
I think its D living space speaking how islands are small and that have fruit,water,and sunlight because their just the characteristics of a island.
So your answer is D living space