What is a nondisjunction? what is a nondisjunction? an error in which a diploid cell or organism has an extra chromosome of one type, producing a chromosome number of 2n + 1 none of the above an error in which a diploid cell or organism lacks a chromosome of one type, producing a chromosome number of 2n - 1 an error in cell division that causes homologous chromosomes or sister chromatids to move to t?

Differentiation of cells changes the nucleic information. true false

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.