Biology, Pages 251-265Neil Campbell and Jane Reece's BIOLOGY remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than 4 million students into the study of this dynamic and essential discipline. |
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Page 36
Figure 14.8 illustrates how a dihybrid cross , a cross between F dihybrids , can
determine which of these two hypotheses is correct . Figure 14.8 Inquiry Do the
alleles for seed color and seed shape sort into gametes dependently ( together )
or ...
Figure 14.8 illustrates how a dihybrid cross , a cross between F dihybrids , can
determine which of these two hypotheses is correct . Figure 14.8 Inquiry Do the
alleles for seed color and seed shape sort into gametes dependently ( together )
or ...
Page 48
To figure out the probability that an F2 plant from a monohybrid cross will be
heterozygous rather than homozygous , we need to invoke a second rule . Notice
in Figure 14.9 that the dominant allele can come from the egg and the recessive ...
To figure out the probability that an F2 plant from a monohybrid cross will be
heterozygous rather than homozygous , we need to invoke a second rule . Notice
in Figure 14.9 that the dominant allele can come from the egg and the recessive ...
Page 64
snapdragons : All the Fı hybrids have pink flowers ( Figure 14.10 ) . This third
phenotype results from flowers of the heterozygotes having less red pigment than
the red homozygotes ( unlike the situation in Mendel's pea plants , where the Pp
...
snapdragons : All the Fı hybrids have pink flowers ( Figure 14.10 ) . This third
phenotype results from flowers of the heterozygotes having less red pigment than
the red homozygotes ( unlike the situation in Mendel's pea plants , where the Pp
...
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Common terms and phrases
affect appearance apply blood group breeding brown called carbohydrate chance Chapter characters chromosomes coin combinations complex Concept consider depending determine developed dihybrid disease dominant allele enzyme equal event example experiments F1 hybrids F2 offspring factor Figure Fı plants flower color four gametes garden peas genotype green heads heritable heterozygotes heterozygous homozygotes homozygous human hybrids hypothesis identical incomplete dominance independent assortment individuals inheritance law of independent law of segregation locus mated Mendel Mendelian genetics molecules monohybrid cross multiple normal observed occur organism organism's pairs parent particular pea plants phenotypic ratio pigment population possible Ppyyrr predicted present principles produced Punnett square purple flowers purple-flower range recessive allele recessive trait red blood cells refer relation round rules of probability seed seed shape self-pollinate separate simple single gene specific studied toss true-breeding variations varieties vary white flowers white-flower allele wrinkled YyRr