Answer:
4
Explanation:
According to Mendel's law of purity of gametes, each gamete contains single allele for a gene. The alleles of a gene segregate during gamete formation and each gamete has one allele for a gene irrespective of the total number of alleles for a gene.
If the gene for skin color in a fish species has four alleles, an individuals fish would have only two alleles which in turn would segregate during gamete formation.
Since there are four different alleles of the gene (let's assume a,b,c, and d), total possible gametes produced by this organism will be = 4. A gamete can have one of the total 4 alleles making total 4 types of the gametes each with a or b or c or d allele.
A patient is in need of hydration. Is likely in a hypertonic solution.
Answer:
Reena is making compost to reuse or recycle biodegradable waste and convert it into a natural fertilizer.
Explanation:
By placing the biodegradable matter in the pot with soil, microorganisms living in that soil are able to decompose the wastes and produce fertile products. This fertilized soil is very useful in plant care because it provides many nutrients and benefits for needed the plants' growth.
Compost consists of a controlled oxidation biological process and microorganisms and other invertebrates such as earthworms are in charge of decomposition of the solid matter. The product is used as a natural fertilizer and is a good substitute for chemical fertilizers. When composting, temperature, and humidity must be controlled. The process lasts one week or two until the whole solid wastes are degraded and mixed with the rest of the soil.
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Answer:
Euglena have diversed nutritional requirements. They are autotrophic when kept in light and heterotrophic when deprived of light.
The Euglena contains chloroplast in it to perform photosynthesis in the presence of light.
When the Euglena is kept in the dark it starts deriving energy from the organic matter around it and shows heterotrophic mode of nutrition.
When light will be provided to Euglena it will start resynthesizes its photosynthetic pigment and it will start perform photosynthesis.
