What differences would you expect to see in a population made up of individuals whose chromosomes expericance crossing over frequently compared with a population made up of individuals whose chromosomes do not cross over

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.