An allele is A one of the bases in DNA B an alternate form

___ An allele is ___. A. one of the bases in DNA B. an alternate form of a gene C. another term for epistasis D. present only in males and is responsible for sex determination E. found in mitochondria but not in nuclei ___ What is the probability that on four flips of a coin, heads will occur on three A. 1/4 B. 1/2 C. 3/16 D. 1/8 E. insufficient information to answer this question ___ What would be the dimensions of a Punnett square for the cross W_w times ww? A. 4 times 4 B. 2 times 2 C. 2 times 1 D.1 times 1 ___ In dihybrid crosses, the ratio 9:3:3:1 indicates ___. A. Codominance B. Independent assortment C. Intermediate dominance D. Three alleles for each trait

Solution

1.

B. Alternate form of gene.

2. C.3/16.

3. A. 4   *   4.

4. B. Indepenent assortment.