Answer:
Genetic engineering uses technology to replace one or more genes in an organism.
Answer:
b. 10% of the plant's energy.
Explanation:
In an ecosystem, there are various trophic levels, which form the part of the food chain. Producer like plants forms the first trophic level as they synthesize their own food via photosynthesis.
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Answer:
Red blood cells (RBCs, also called erythrocytes; pronounced: ih-RITH-ruh-sytes) are shaped like slightly indented, flattened disks. RBCs contain hemoglobin (pronounced: HEE-muh-glow-bin), a protein that carries oxygen. Blood gets its bright red color when hemoglobin picks up oxygen in the lungs. As the blood travels through the body, the hemoglobin releases oxygen to the different body parts.
Explanation:
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In some protists, genetic information is transferred from one cell to the next. This transfer is called Internal fertilization
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Answer:
The term <em>genotype </em>refers to the genetic characteristics of an individual. Many genes have different variations, which are called alleles. As we inherit genes from both of our parents, we inherit one allele from each of them. The combination of alleles we possess is in fact our genotype.
The term <em>phenotype </em>refers to our physical characteristics. They are heavily influenced by our genotype, but they can also be affected by environmental factors (unlike the genotype).
As an example of genotype, we can mention eye color. Brown eyes are a result of dominant alleles (B), while blue eyes are a result of recessive alleles. If a person has one (Bb) or two dominant alleles (BB), their eyes will be brown, and if they have both recessive alleles (bb), their eyes will be blue.
As an example of phenotype, we can mention skin color. The amount of melanin we produce will depend on our genotype. A person whose skin cells produce more melanin will have darker skin. However, our melanin can start getting darker after longer exposure to UV light, which results in skin darker than what is dictated by our genotype.
