Question

Q1 state the definition of Net primary productivity? 1mark

Q2 How apomixis is differentiate from polyembryony? 1mark

Q3 what are dominant alleles? 1mark
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Answer 1

Answer:

Ans1. The rate at which an ecosystem accumulates energy or biomass, excluding the energy it uses for the process of respiration. This typically corresponds to the rate of photosynthesis, minus respiration by the photosynthesizers.

Ans2. The main difference between apomixis and polyembryony is that the apomixis is the formation of an embryo without undergoing fertilization in plants whereas, the polyembryony is the development of two or more embryos from a fertilized egg.

Ans3. In genetics, dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. The first variant is termed dominant and the second recessive.

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