The placenta forms at 8 weeks, and develop for 6 weeks. hope this helps
Answer:
Where are the statements?
Explanation:
If no genetic mutations will occur, then the Hardy-Weinberg principle would take place by establishing a relationship <span>between the frequencies of alleles and the genotype of a population. In addition, the theory was said to be devised by G. H. Hardy and Wilhelm Weinberg.</span>
An enormous cloud of gas and dust that contracts due to gravity and forms stars is called a nebula.
