
Linkage, phase, marker, gene mapping, therapy

Quiz
•
Biology
•
University
•
Medium
鍾明怡 鍾明怡
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者 不 是 genetic distance 的單位?
Morgan
cm (centimeter)
map units
cM (centiMorgan)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In Drosophila, three genes a, b, and c are all X-linked. Triple homozygous mutant (aabbcc) females are crossed to wild-type (+++) males. The F1 females are test-crossed. The F2 males are distributed as shown in the table.
哪兩個類別 (classes) 的子代數目最多?
1, 2
1, 4
1, 6
1, 8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
呈上題 parental phase (haplotypes) 為?
+ + c / a b +
+ b c / a + +
a b c / + + +
+ b + / a + c
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
呈上題,哪兩個類別(classes)的子代 最少? (兩個答案)
a b c
a b +
+ + c
+ b +
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪兩種 markers 可以使用於 genetic mapping? (有兩個答案)
EST (expressed sequence tags)
STR (short tandem repeats)
STS (sequence tagged sites)
SNPs (single nucleotide polymoprhisms)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CEPH 參考家族(reference families)用於人類遺傳圖譜(genetic map)的建立,下列哪一個 不是 CEPH參考家族的優點?
有三代家族成員,便於在第二代確定親源組合。
第三代人口中兒子、女兒各半。
第三代人口多(>9人),便於有足夠sample size.
總共約有 40個家族所組成。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於 long-range physical mapping, 下列何者 錯誤?
使用雙電場電泳設備
可以分析上百kb (kilobase) 長度的DNA.
使用 MboI, MspI...等 切位頻繁的限制酶 (restriction enzyme).
所得到的 限制酶圖譜有利於得知 CpG island所在位置。
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