Write the number of different kinds of phenotypes,excluding sex, you would see among a large numberof progeny from an F1 mating between individuals ofidentical genotype that are heterozygous for one ortwo genes (that is, Aa or Aa Bb) as indicated. No geneinteractions means that the phenotype determined byone gene is not influenced by the genotype of theother gene.a. One gene; A completely dominant to a.b. One gene; A and a codominant.c. One gene; A incompletely dominant to a.d. Two unlinked genes; no gene interactions; Acompletely dominant to a, and B completelydominant to b.e. Two genes, 10 m.u. apart; no gene interactions; Acompletely dominant to a, and B completely dominant to b.f. Two unlinked genes; no gene interactions; A anda codominant, and B incompletely dominant to b.g. Two genes, 10 m.u. apart; A completely dominantto a, and B completely dominant to b; and withrecessive epistasis between aa and the alleles ofgene B.h. Two unlinked duplicated genes (that is, A and Bperform the same function); A and B completelydominant to a and b, respectively.i. Two genes, 0 m.u. apart; no gene interactions; Acompletely dominant to a, and B completely dominant to b. (Two possible answers exist.)
Write the number of different kinds of
excluding sex, you would see among a large number
of progeny from an F1 mating between individuals of
identical genotype that are heterozygous for one or
two genes (that is, Aa or Aa Bb) as indicated. No gene
interactions means that the phenotype determined by
one gene is not influenced by the genotype of the
other gene.
a. One gene; A completely dominant to a.
b. One gene; A and a codominant.
c. One gene; A incompletely dominant to a.
d. Two unlinked genes; no gene interactions; A
completely dominant to a, and B completely
dominant to b.
e. Two genes, 10 m.u. apart; no gene interactions; A
completely dominant to a, and B completely dominant to b.
f. Two unlinked genes; no gene interactions; A and
a codominant, and B incompletely dominant to b.
g. Two genes, 10 m.u. apart; A completely dominant
to a, and B completely dominant to b; and with
recessive epistasis between aa and the alleles of
gene B.
h. Two unlinked duplicated genes (that is, A and B
perform the same function); A and B completely
dominant to a and b, respectively.
i. Two genes, 0 m.u. apart; no gene interactions; A
completely dominant to a, and B completely dominant to b. (Two possible answers exist.)
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