1)A black guinea pig crossed with an albino guinea pig producedtwelve black offspring. When the albino was crossed with a secondblack guinea pig, six blacks and six albinos were obtained. What isthe best explanation for this genetic situation?
A)Albino is recessive; and the second black guinea pig washomozygous dominant
B)Albino is co-dominant; and the second black guinea pig washeterozygous
C)Albino is recessive; and the second black guinea pig washeterozygous
D)Albino and black are codominant.
2)Which of the following processes would best help explainindependent assortment?
A)the fact that any pair of chromatids in a tetrad can crossover
B)the random arrangement of chromosomes at metaphase I
c)the separation of chromatids at anaphase II
D)the random arrangement of gene loci on a chromosome
E)the random arrangement of chromosomes at metaphase II
