The placenta forms at 8 weeks, and develop for 6 weeks. hope this helps
Yes, when the egg and a sperm cell meet fertilization has taken place
<span>A. Leyte Gulf.
Upon the return of the Americans in the Philippines, the Battle on the Leyte Gulf emerged as one of the largest naval battles in history wherein the Americans are victorious against Japan.
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Answer:
This is a type of breeding in which two organism having some special features are choosne to breed with each other to make a single organise which has both features accumulated
Since after crossing a red and a white flower produced pink flowers, the red color trait shows an incomplete dominance and has a genotype of Rr.
Using the Punnett to determine the cross between pink and white flowers:
| R | r |
r | Rr | rr |
r | Rr | rr |
The results indicate that the cross between pink and white flowers will produce a ratio of 1:1
Rr x rr
