Answer:
The answer is double helix.
Explanation:
In its natural state, each DNA molecule is actually composed of two single strands held together along their length with hydrogen bonds between the bases. Watson and Crick proposed that the DNA is made up of two strands that are twisted around each other to form a right-handed helix, called a double helix.
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Answer:
1 . They have the potential to interbreed in nature . 2 . They can produce viable offspring if they do interbreed—that is, their offspring are healthy enough to produce offspring of their own . and also its new,
Explanation:
Answer:
All answers are correct.
Explanation:
Long term environmental changes can cause adaptation, migration, habitat loss, and starvation.
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. A single gene is responsible for pigmentation and hearing.
When a human dies, his corpses gets decomposed by decomposing bacteria. What's produced by the decomposing bacteria is the "fertilizer" for plants.
