Since the males in the family are the only ones getting the disease, it is passed down through the Y-chromosome.
Answer:
A.) Y-linked
Answer:
A green roof can increase building efficiency and help reduce electricity costs.
Explanation:
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For #25:
Most bivalves are filter feeders, using their gills to capture particulate food such as phytoplankton from the water. The protobranchs feed in a different way, scraping detritus from the seabed, and this may be the original mode of feeding used by all bivalves before the gills became adapted for filter feeding
