Astudent in a biology class crossed a male drosophila melanogaster having a gray body and long wings with a female d. melanogaster having a black body and apterous wings. the following distribution of traits was observed in the offspring number of offspring 42 phenotype gray body, long wings black body, apterous wings 41 gray body, apterous wings 9 black body iong wings which of the following is supported by the data? (a) the alleles for gray body and long wings are dominant. (b) the alleles for gray body and long wings are recessive. (c) genes for the two traits are located on two different chromosomes, and independent assortment occurred d) genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci.

Answer is D "Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci"

Explanation:

Traits are distinguishing characteristics of an organism. The Phenotypic crossing of the Drosophila melanogaster specie with Gray body and long wings over that of the same specie but female with black body and apterous wings produced a total of 100 offspring, which showed a that genetic crossing were done on the closely related chromosomes of the body traits for the individual species.

did you mean: energy is defined ashyperactivitya caloric measurementthe ability to move matterthe ability to think and analyze this form of energy is called "energy in motion" or "energy of moving matter"potential energy kinetic energy electrical energy1 ptlights on a stage can be examples of all of the following forms of energy exceptelectrical energylight energythermal energysound energywhen one type of energy changes to another this is called energy energy is stored based on their position or shape this is called energy.kinetic potential sound electromagnetic

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.