Answer:
Males are XY(have one X chromosome) so, when it comes to X linked diseases, they express everything that is on that chromosome. They only need one copy. Females need 2 copies of the recessive allele in order to have the same condition.
It increases ecosystem productivity, protects fresh water resources, and provides nutrient storage and recycling
Answer:
C. internal fertilization
Explanation:
The release of eggs and sperm into the water is known as spawning.