A plant with orange-spotted flowers was grown in the greenhouse from a seed collected in the wild. The plant was self-pollinated and gave rise to the following progeny: 88 plants with orange-spotted flowers, 34 plants with yellow-spotted flowers, 32 plants with solid orange flowers, and 8 plants with solid yellow flowers.

a. (1 point) What can you conclude about the dominance relationships of the alleles responsible for flower color and pattern? How many genes are involved?

There are two genes involved, one for flower color and one for flower pattern. There are two alleles for the flower color gene, with the orange allele (Y) dominant to the yellow allele (y). There are two alleles for the flower pattern gene, with the spotted allele (R) dominant to the unspotted allele (r).

b. (1 point) What was the genotype of the original plant with orange-spotted flowers?

the original plant was heterozygous for both genes: YyRr

c. (3 points) On a separate sheet of paper, draw a diagram that illustrates what happened to these alleles during meiosis in the original plant. Clearly label:

(a) the meiotic divisions (i. e. meiosis I and meiosis II)

(b) the homologous chromosomes, sister chromatids, genes and alleles

(c) all the genetically different gametes that could form and how frequently each type should be observed.

A plant with orange-spotted flowers was grown in the greenhouse from a seed collected in the wild. The plant was self-pollinated and gave rise to the following progeny: 88 plants with orange-spotted flowers, 34 plants with yellow-spotted flowers, 32 plants with solid orange flowers, and 8 plants with solid yellow flowers.

a. (1 point) What can you conclude about the dominance relationships of the alleles responsible for flower color and pattern? How many genes are involved?

b. (1 point) What was the genotype of the original plant with orange-spotted flowers?

c. (3 points) On a separate sheet of paper, draw a diagram that illustrates what happened to these alleles during meiosis in the original plant.  Clearly label:

(i) the meiotic divisions (i.e. meiosis I and meiosis II)

(ii) the homologous chromosomes, sister chromatids, genes and alleles

(iii) all the genetically different gametes that could form and how frequently each type should be observed

Explanation:

The question seeks to examine basic knowledge of the foundations of genetics.

1a. There are two genes involved in the dominance relationships of the alleles responsible for flower color and pattern, one serves the purpose of flower color and one for flower pattern. There are two alleles for the flower color gene, with the orange allele (Y) dominant to the yellow allele (y). It should be noted that two alleles  are responsible for the flower pattern gene –  with the spotted allele (R) dominant to the unspotted allele (r).

b. The genotype of the original plant is characteristically heterozygous for both genes: YyRr

c. The figure below shows how i, ii and iii relates under the law of independent assortment.

a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]

it’s lava came from an explosive eruption