2 because the 1st energy level can only hold 2 electrons and the 2nd holds 4
Answer:
9:3:3:1
Explanation:
This question involves two different genes coding for height and flower color respectively. The first gene posseses allele T (dominant) and t (recessive) while the second gene possesses allele P (dominant) and p (recessive).
According to this question, two heterozygous tall and purple flowers are crossed i.e. (TtPp x TtPp). Each parent will produce the following gametes combination:
TtPp - TP, Tp, tP, tp
Using these gametes in a punnet square, the following proportion of offsprings will be produced:
T_P_ (tall, purple) = 9
T_pp (tall, white) = 3
ttP_ (short, purple) = 3
ttpp (short, white) = 1
Hence, the ratio of this cross is 9:3:3:1
Answer:
7) 50% percent chance, child is theirs. write A A on the top of the punent square, and B b on the sides. Mom is Homozygous which means her genes are the same, hence A A, dad is heterozygous hence B b.
Explanation:
Hope this helped!
There are two sphincters in the human body