Artificial selection - The intervention of humans ensures that only individuals with the most desirable traits produce more offspring
- Farmers only breed the livestock that produce the most food..... Cow, Chicken, plant with the most vegetables
Guard cell o is ordered to opening and closing of stomata.
Answer:
4 percent (4%)
Explanation:
A single crossover occurs between two (non-sister) chromatids belonging to homologous chromosomes. In this case, 16 percent of the meioses have a single crossover, thereby it will produce 8 percent of the chromosomes with the original (parental) combination in the progeny and the remaining 8 percent should be recombinants. From this result, it is reasonable to conclude that half of these recombinants should be 'Br' (and the other remaining 4 percent should be recombinants 'bR'), and therefore the answer is 4 percent (4%).
Greenhouse is due to excess of CO2 , Methane gas !! It has both benefits and demerits !!
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