Matching. For problems 19-22, match each statement below to one of the choices (
ID: 274116 • Letter: M
Question
Matching. For problems 19-22, match each statement below to one of the choices (A-E) listed below. Note that in this case, a given choice might be used once, more than once, or (in at least one case) not at al. B. 2 C. 3 D. 4 E. more than 4 19. The number of functional sperm normally produced by a meiocyte in (human) males. 20. The number of functional eggs produced by a meiocyte in females. A 21. The number of chromosomes in a gamete from a fly (i.e., Drosophila; 2n 8) 2 22. The number of genotypes among the progeny of a monohybrid "self" cross hino type 3. Consider a male meiocyte in which a singile crossoVer occurs. Once meiosis is complete, how many of the resulting haploid cells will have a recombinant chromosome? a. b. 1 and d. 3 4. F2 plants segregate 3/4 purple and 1/4 colorless. Suppose an individual F: plant that is colorless undergoesimu selfing, and thereby produces a large number of F3 progeny. What is the probability that BOTH colorless and purple plants will be seen among these Fs progeny? a, 0 (0%) b. 1/4 (25%). c. 1/3 (33%) d sum . 23(6790) e.-3/4 (75%) 5. F2 plants segregate 3/4 colored and 1/4 colorless (as in the previous problem). This time, an F2 plant that is , purple produces a large number progeny after selfing. What is the probability that BOTH colorless and purple plants will be seen among these Fs progeny? a, 1/4 (25%) b.13(33%) c. 1/2 (50%) (e.34 (75%) d. 2/3 (67%) 6. Alicia and Fred are both phenotypically normal, as is one of their two children (Janelle). However, Janelle's fraternal twin (Wolfgang) was born with an autosomal recessive genetic condition called phenylketotonuria PKU). Alicia is currently pregnant and about to deliver their third child. What are the odds that this child will ave PKU? a. 0 (0%) b.18 (12.5%) c. I/4(25%) d.) /2 (50%) e3/4 (75%)Explanation / Answer
19. the number of functional sperm ally produced by meiocyte in human males are 4
20. the number of functional eggs produced by meiocyte in females is 1
21. the number of chromosomes in gamete from a fly is 4 ( because fly 2n=8 that means n haploid gamete is 4)
22. the number of genotypes among the progeny of a monohybrid self cross 3(in monohybrid cross we study only single character but when progeny self crossed then it gives 3 different type of genetypesfor example R and r when it cross then it gives either R, r(homo) or Rr(hetero)
23.in crossing over all homologous chromosome exchange genetic material and produce 4 different haploid recombinant cells.