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What is number of genes in Protoctista?

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Final answer:

The number of genes in Protoctista can vary widely, as this group is highly diverse. For example, Proteus vulgaris has 949 genes while other protists can have up to 24,1019 genes. The term 'Protoctista' is less common now, with 'protists' being the preferred term for this diverse group of organisms.

Step-by-step explanation:

The number of genes in organisms classified within Protoctista, a diverse group of eukaryotic organisms, is not uniform and hence cannot be given as a single number. However, referring to the provided information related to similar concepts such as protists and Protozoa, it can be inferred that the number of genes in a protist can differ drastically.

For example, an organism like Proteus vulgaris has 949 genes, whereas the number of genes in different protist species can reach up to 24,1019. This considerable range is due to the diversity within the Protoctista kingdom, which includes a wide variety of organisms with varying genome sizes and genetic complexities. It is important to note that the term 'Protoctista' is not frequently used in modern biological classification and has been largely replaced by the term 'protists' to describe the variety of organisms within this category.

Each species of protist has evolved to have a genome size that supports its unique lifestyle and biological functions, contributing to the diversity seen within the group.

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