55) A parent has a deletion on one homologue of a pair of chromosomes. What is t

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55) A parent has a deletion on one homologue of a pair of chromosomes. What is the probability of this individual's child carrying the same deletion? a. O% b. 25% c. 50% d. 7s% e. LOO% 56) lf a man has an X-linked recessive disorder, then his daughters a. Will all have the disorder b. Cannot be a carrier for the disorder c. Cannot inherit the disease_causing allele d. Will not have the disorder e. Will be carriers for the disorders 57) A man has an X-linked dominant genetic disorder. lf he has a daughter with an unaffected woman, what is the probability that the daughter will inherit the disorder? a. O% b. 2s% c. 50% d. 75o/o e. LOO% 58) A man with an X-linked recessive trait has a daughter with a women who does not exhibit the trait. What is/are the possible genotype(s) of the daughter? a. X^bX^b b. X^B X^B c. x^BX^b or X^b X^b d. x^BX^b e. X^BX^B orX^BX^b 59) A genetic profile includes a. The location of all known genes in human genome b. The entire base sequence of an individual,s genome c. Allof an individual,s normalgenes d. An individual,s complete genotype, including mutations e. All of an individuals genetic markers 60) An embryo produced by in vitro fertilization (lVF) may be tested for genetic disorders prior to implantation. How is this accomplished? a. Fetalcells are recovered from the mother's blood, and the DNA analyzed with a DNA microarray b.Amniocentesis or chronic villus sampling is performed, and a karyotype assembled c.A polar body is isolated and its DNA amplified by PCR for analysis by DNA microarray d.A single cell is removed from a 6 to 8 celled embryo, and its DNA analyzed with a DNA microarray e.Blood is drawn from the embryo for genetic marker analysis 61) Down syndrome could not be treated bygene therapy because a. Scientists do not know which faultygenes cause the syndrome b. Down Syndrome is caused by posessing extra copies of genes of an entire chromosome, and adding monegeneJ would not help c' Liposomes and nasal spreys caffS he used due to abnormalities in the respiratory tract of down syndrome individuals d. There are too many genes irwofued ilt the syndrome e. The gene therapy treatment could not be performed on an adult individual

Explanation / Answer

c b b b b c b

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