<span>Sexual reproduction has the potential to produce tremendous genetic variation in offspring.<span>This variation is due to independent assortment and crossing-over during meiosis, and random union of gametes during fertilization.
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Answer:
D
the skeletal system provides protection for the brain and spinal cord
Occurs when magnetic energy that has been built up in the solar atmosphere has suddenly released. Have a good day and ask questions!!
-Kaylie
Answer:
the complementary nucleotide to adenine.
Explanation:
mRNA is formed as a complementary strand to one of the two strands of the DNA. Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as