We did an assignment called the tooth pick fish and the yellow fish were in danger then all the green fish disappeared because they were in a hostile environment i don't fully under stand this question though
Have any genes disappeared entirely?
To determine whether any genes have disappeared entirely, one would need to examine the process of gene loss, which occurs through various mechanisms including genetic mutations, genetic drift, and natural selection. However, without specific information about a particular gene or species, it is challenging to directly answer the question.
In scientific research, the study of gene loss typically involves comparing the genomes of different organisms or species to identify genes that are present or absent. This process requires access to genomic data and specialized bioinformatics tools.
If you have more context or specific information about the genes or species you are interested in, I can provide further guidance on how to explore the topic of gene loss and determine if any genes have disappeared entirely.