Answer:
Twins may be defined as the two offspring produced by the same pregnancy. The twins can be monozygotic or dizygotic depending upon whether they have developed from the same or different egg.
Both the Henry and George are identical twins. They have been raised in the different environments. This will affect their phenotype as phenotype expression depends on genotype as well as on environment. Both have different genotypes although they share the same genotype.
Answer:
True
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Greenhouse effect is the answer
The correct option is B.
The blood brain barrier is designed to prevent the passage of some substances such as drugs from the blood stream into the brain. The blood brain barrier is made up of high density cell barriers which restrict passage of substances into the brain area.
Yes they do know what gravity is ..