In maize, overall kernel color is controlled by both the endosperm and the aleurone colors. the endosperm color is yellow when the allele y is present. in the homozygous recessive (yy) condition the endosperm is white. the y alleles are masked by the presence of a colored aleurone. the r and p genes control the aleurone color. the allele p interacts with the r allele to produce a purple color, whereas in the recessive condition (pp), the gene interacts with the r allele to produce a red color. if the r allele is present in the homozygous recessive state (rr) then the aleurone will be colorless, allowing the endosperm color to be expressed. two fully heterozygous individuals are crossed. give the phenotypes, and frequency of occurrence, of the f2 offspring.
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Biology, 22.06.2019 02:00
Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .
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Biology, 22.06.2019 08:00
Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of
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Biology, 22.06.2019 10:40
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
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In maize, overall kernel color is controlled by both the endosperm and the aleurone colors. the endo...
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