In horses, black is dependent upon a dominant gene, b, and chestnut upon its recessive allele, b. the trotting gait is due to a dominant gene, t, the pacing gait to its recessive allele, t. if a homozygous black pacer is mated to a homozygous chestnut trotter, what will be the appearance of the f1 generation?

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.