What characteristic of carrier female 2 from generation III predisposed her to produce fragile X offspring at a higher proportion than did her grandmother, the carrier female of generation I?
1.random chance
2.female I-2 was phenotypically normal but her granddaughter, female III-2, was not
3.permutation alleles transmitted by males tend to remain stable or decrease while those transmitted by females become fully mutant alleles
4.permutation alleles transmitted by females tend to remain stable or decrease while those transmitted by males become fully mutant alleles
3
You might also like to view...
Which of the following is not a legume?
A. alfalfa B. peas C. corn D. soybeans E. beans
The distribution of strawberry plants in a
strawberry field is a. clumped. b. random. c. uniform. d. constant. e. homogeneous
Progymnosperms had two derived features:a
microphylls and herbaceous tissue. b. microphylls and woody tissue. c. megaphylls and herbaceous tissue. d. megaphylls and woody tissue. e. both megaphylls and microphylls and herbaceous tissue.
Cell motility is an important identifying characteristic in laboratories. What is the best way to determine whether a bacterial strain is motile?
A) Do a simple stain and observe the organisms under phase-contrast microscopy. B) Do a Gram stain and observe the organisms under bright-field microscopy. C) Stab an inoculum into a tube of semisolid medium. D) Inoculate a liquid culture with the organism.