Answer:
genetic code, the sequence of nucleotides in deoxyribonucleic acid ( DNA) and ribonucleic acid ( RNA) that DETERMINES the amino acids sequence of proteins.
Answer:
When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. ... It is obviously another source of genetic variation in offspring.
Explanation:
i looked it up on google
The pituitary gland, I believe, but don't quote me on this.