Exam 16: Reproductive Technology - Genetic Testing - and Gene Therapy

Genetic counselors gather medical and family histories in order to construct a(n)____________________,which will enable them to establish the inheritance of a genetic trait in a family.

The use of _____ is associated with an increased risk of transmitting genetic defects,such as those related to infertility,onto male children.

About ____ couples are affected by infertility.

Low sperm ____________________ results in the inability of sperm to move through cervical mucus and reach the egg in the oviduct.

The method of gene therapy that would result in the transferred gene being passed onto offspring is known as ____________________.

Would you recommend a couple in which the male is infertile to seek genetic counseling?  Why or why not?

Guidelines suggest that only ____________________ (number)embryo(s)be transferred to the woman's uterus following IVF,in order to reduce the incidence of multiple births.

Approximately _____ of IVF pregnancies result in multiple births.

The three components of the female reproductive system that are required for successful reproduction are the eggs,____________________,and ____________________.

Genetic counselors are typically medical doctors who specialize in treating infertile couples.

Discuss the three most important factors for successful reproduction.

____________________,one of the earliest methods of ART,was developed primarily to overcome problems with male infertility.

Explain why enzyme replacement therapy cannot cure a genetic disease,and why gene therapy offers the only cure.

An individual who is at risk of passing a genetic defect onto his or her offspring would most likely undergo ____.

If carrier testing determines that one parent is a heterozygous carrier of an autosomal recessive genetic defect,while the other parent is not a carrier,then the fetus has a(n)____________________ % chance of being affected.

Do you agree with the practice of using PGD to select for gender or for genetic disabilities present in the parents (for example,deafness and dwarfism)?  Why or why not?  Should there be legal restrictions on PGD in the US?  Why or why not?

Recent successes in gene therapy are attributed to the _____.

Should legal restrictions limit the application of gene therapy to only correcting genetic defects?  Should enhancement gene therapy and/or gene doping be illegal?  Do you think such a law would be enforceable?  Explain your reasoning.

_____ corrects the genetic defect in an individual with a genetic disorder by _____.

The condition of having no sperm in the semen is called ____________________.