It is 50% homozygous recessive, and 50% heterozygous
No, because the immune system is already battling with the virus or disease
Answer:
Why are embryos used in medical research?
Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.
3. is Phytoplankton
4. Plankton produce their own food thru photosynthesis or lassoing energy
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