When twins are born, the physician is usually able to identify whether twins are identical or fraternal by examining the placenta; identical twins generally share a placenta, while fraternal twins are usually in two separate placentas. ... The test consists of a painless buccal (cheek) swab collected from each twin.
Answer:
The sponge uses this structure for feeding. It is located in whip-like appendages (the flagella)located in the sponge.It generate water currents as the flagella beat the water current , and as food particles passes through with the water current , it(choanocytes) trap these, and ingested it by in folding of its inner membranes .a process called phagocytosis.
Explanation:
A gene mutation may result in an oncogene. So during that cell's replication the gate keeper genes will no longer be able to suppress it. This results in a mutated daughter cell. If there is a subsequent mutation an a daughter cell, a tumor will be produced.
Gene mutation can also cause mosaicism and result in different phenotypes
Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation:
Surface waves are the slowest and most damaging, capable of crumbling buildings. There are several different kinds of seismic waves, and they all move in different ways. The two main types of waves are body waves and surface waves. Surface waves are seismic waves that travel across the surface of the earth, they usually have larger amplitudes and longer wavelengths than body waves, and travel more slowly than body waves.