A particular x linked gene is a recessive lethal that causes death ad reabsorption of the embryo at an early stage. A heterozygous female married a man expressing the dominant trait. Define the alleles and show your work in answering the following questions: A. What proportion of their offspring would […]

Imagine with me a compound with 6 C atoms, arranged linearly — not branched and not in a ring. At one end there is an aldehyde group (call this carbon atom 1). All the other carbon atoms carry OH groups — they are, then, alcohol functional groups, 5 of them. […]

Q1. Approximately how numerous base pairs are there in the fragment circled in red at left? Which lane shows the digest with BamHI only? Which lane shows digest with EcoRI only? Which lane shows fragments produced when the plasmid was incubated with both EcoRI and BamHI? Q2. What impact has […]

Q1. Archaeologists discover skeletal remains of human like animals in Ethiopia. Examination of bones suggests that the remains represent four types of individuals. Two of the skeletons have bone densities that are 30 percent less than those of the other two skeletons the skeletons with the lower bone mass also […]