All of the following are effects of crossing over of homologous chromosomes during prophase I of meiosis with the EXCEPTION of: Question 4 options: increased genetic variety. Increased number of chromosomes in the offspring. The appearance of new phenotypes in the offspring. Possible harmful mutations from cross-over errors.

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.