In the cross AaBb x aabb, 4 different offspring categories a…

In the cross AaBb x aabb, 4 different offspring categories are produced with the following numbers: Aabb – 94 offspring; aaBb – 95 offspring; aabb – 41 offspring; AaBb – 39 offspring. Do the results indicate that the two genes show independent assortment or genetic linkage?  

Breast cancer shows autosomal dominant inheritance with inco…

Breast cancer shows autosomal dominant inheritance with incomplete penetrance among females who inherit one affected BRCA2 allele. 30 of 50 females who inherited a BRCA2 mutation developed breast cancer by 80 years old. Eddie is heterozygous (i.e., one normal BRCA2 allele and one affected BRCA2 allele), but his partner does not have a BRCA2 gene mutation. What is the probability that Eddie’s daughter will develop breast cancer by age 80? (HINT: This is the probability that his daughter inherits an affected BRACA2 allele AND the penetrance of the phenotype, which was calculated in Q36).

In the cross AaBb x aabb, 4 different offspring categories a…

In the cross AaBb x aabb, 4 different offspring categories are produced with the following numbers: Aabb – 94 offspring; aaBb – 95 offspring; aabb – 41 offspring; AaBb – 39 offspring. What is the allele arrangement of the AaBb parent? (HINT: We know which alleles came from the aabb tester parent, so the other alleles came from the AaBb dihybrid parent)

You are transporting a stable patient who was involved in a…

You are transporting a stable patient who was involved in a minor fall from a ladder at a height of about 8 feet to a local community hospital. You assumed full spinal precautions not only because the patient has midline back pain in the sacrum, but also because he was knocked unconscious. While transporting, the patient begins to become increasingly confused, develop an irregular respiratory rate, and experience a drop in heart rate with an increase in blood pressure. You just called in a radio report and are about 7 minutes from the hospital. A trauma center is about 10 minutes away. Which of the following is the best transport decision?