Answer:
badddd just look at NASA's 20-year time-lapse shows how Earth is changing
Explanation:
<span>The length of a vertebrate's D. Nephrons determine its ability to concentrate urine. Nephrons are the functional units of the kidney that produce urine. </span>
Genotypes of the dog color are:
BB dominant homozygous-brown phenotype
bb recessive homozygous-white phenotype
Bb heterozygous-tan phenotype
Cross between brown and pan dog would be:
P: BB x Bb
F1: BB Bb BB Bb
The ratio would be 1:1 (brown dog:pan dog).