A cross was made between homozygous wild-type female Drosoph…

A cross was made between homozygous wild-type female Drosophila and yellow-bodied male Drosophila. All of the resulting offspring were phenotypically wild type. Offspring of the F2 generation had the following phenotypes:         Sex               Phenotype           Number         male                wild                     96       male              yellow                   99       female             wild                   197   Is the yellow locus on an autosome or on the X-chromosome?

A 78 year-old male presents to your multi-disciplinary clini…

A 78 year-old male presents to your multi-disciplinary clinic for a baseline evaluation of speech and swallowing function. The medical history is significant for progressive weakness of the right arm and leg. Additionally, examinations reveal hyperreflexia and weakness of the right lower face, right lingual fasciculations and diffuse atrophy. Perceptually, the patient’s vocal quality is strained. The patient exhibits signs of pseudobulbar affect and denies knowledge of his deficits. B. You decide that you want to screen for cognitive-linguistic function. What are two tools that you could select? (1 point).

The trait of medium-sized leaves in iris is determined by th…

The trait of medium-sized leaves in iris is determined by the genetic condition PP’. Plants with large leaves are PP, while plants with small leaves are P’P’. A cross is made between two plants each with medium-sized leaves. They produce 80 seedlings. Of the 80 seedlings produced from this cross, how many would you expect to have large leaves?