Bio 156 Rio Exam 2 Test Questions

Assuming that the probability of having a female child is 50% and the probability of having a male child is also 50%, what is the probability that a couple's firstborn child is female and second-born child is male? {Ans: 25%}How many sex chromosomes are in an egg or a sperm? {Ans: one}Linked genes generally {Ans: do not follow the laws of independent assortment.}Replication of DNA is said to be semiconservative because {Ans: each separated strand serves as a template to make an exact copy.}Most scientists do not consider viruses to be alive because {Ans: they are unable to reproduce on their own.}A transgenic organism has acquired genes from {Ans: another species}