In one type of dog, black spots (B) are dominant over brown spots (b) and long tails (L) are dominant over short tails (l). Use the dihybrid cross for parents with the genotypes BBLl and BbLl and determine the likelihood of offspring with the genotype BBLl. BL Bl BL Bl

BL BBLL BBLl BBLL BBLl

Bl BBLl BBll BBLl BBll

bL BbLL BbL BbLL BbLl

bl BbLl Bbll BbLl Bbll

A. 1/16

B. 2/16

C. 3/16

D. 4/16

How many chromosomes are in a gold fish?

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.