Two genes are 36 map units apart. In a testcross, what percentage of offspring is expected to be nonrecombinants?

If two genes are linked, they do not obey

Unfortunately Phil was in a car accident and needed a blood transfusion. He was given blood type O. The young resident who ordered the transfusion panics because he didn’t give orders for Phils blood to be tested. When he did Phil was blood type AB. What is the prognosis for Phil:

With regard to linked genes along the same chromosome, which of the following statements is true?

What is the probability that this couple will have four children, three sons with short index fingers and one daughter long index fingers?

A female who is IB i has offspring with a male who IA IA. Which blood type(s) would not be possible for their offspring?

In (placental) mammals such as people, the process of X chromosome inactivation

With regard to a maternal effect gene, a mother is DD and her haploid oocyte (D is fertilized by a sperm carrying the d allele.  Which gene products would be found in this fertilized oocyte?

Genes C, D, and E are found along the same chromosome. Gene C is 5 map units from gene D, and gene D is 9 map units from gene E. Gene C is 14 map units from gene E. With regard to crossing over among these three genes, which of the following statements is correct?

With regard to a maternal effect gene, a mother is dd and her haploid oocyte (d) is fertilized by a sperm carrying the D allele.  Which gene products would be found in this fertilized oocyte?