सैनिक अपना बाल छोटे छोटे क्यों रखते?Why soldiers has short hair? #shorts

Why is short run marginal cost curve 'U'-shaped?

Short hair is due to a dominant gene L and long ahir to its recessive allele 1 (in rabbit). A cross between a short-haired female and a long haired male produces a litter of 1 long haired and 7 short haired bunnies. What are the genotypes of the parents

In rabbit black skin (B) is dominant over brown skin (b) and short hair (S) is dominant over long hair (s). If homozygous black-short haired male is ceossed with a homozygous brown-long haired female. All F_(1)- offspring are heterozygous black-short haired. F_(1) male crossed with F_(1) female. In F_(2) generation what is the percentage of homozyhous black-short haired offspring :-