Answer:
Variation allows some individuals within a population to adapt to the changing environment. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation.
Explanation:
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Pollen cells are plant male gametes. On the other hand, algae cells autotrophic protists.
- Pollen cells and algae cells have DIFFERENT FUNCTION and DIFFERENT SHAPE.
- Algae are autotrophic microorganisms that synthesize their own food
- Algae belong to the Protista kingdom. These microorganisms can be unicellular or multicellular.
- Algae cells have many different forms.
- Pollen cells represent plant male gametes.
- During fertilization, pollen cells fuse with the egg cell to form a zygote.
- Pollen cells have many different forms (generally spherical).
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Answer:
People with sickle cell trait carry only one copy of the altered hemoglobin gene and rarely have any clinical symptoms related to the disease. In contrast, people with sickle cell disease carry two copies of the altered hemoglobin gene.
Explanation: