Cytogenetics Sex Determination Drosophila Online Exam Quiz
Cytogenetics Sex Determination Drosophila GK Quiz. Question and Answers related to Cytogenetics Sex Determination Drosophila. MCQ (Multiple Choice Questions with answers about Cytogenetics Sex Determination Drosophila
Which of the following will give a normal female Drosophila?
Options
A : AAA + XX
B : AA + XXY
C : AA + XY
D : AA + XXX
Which of the following is a default pathway in Drosophila?
Options
A : Development of male characters
B : Repression of male characters
C : Development of female characters
D : All pathways are induced
Genetic combination of AA : XYY in drosophila gives a _________
Options
A : Female
B : Non-viable female
C : Male
D : Non-viable male
Which of the following is true for Drosophila sex determination?
Options
A : Males are produced by presence of Y chromosome
B : Females are produced by presence of Y chromosome
C : Two X chromosome will always produce a female
D : Two Y chromosome will always produce a male
The Sxl gene is turned ____________ by a ratio of _____________for X:A.
Options
A : OFF, 1
B : OFF, 0.5
C : ON, 0.5
D : ON, 0.75
Sxl directly affects _____________
Options
A : SR
B : Dsx
C : Tra
D : Xce
Which of the following is the correct pathway for developing female characters?
Options
A : Sxl- SR- Tra- Dsx- Male gene repression
B : Sxl- Tra- SR- Dsx- Male gene repression
C : Sxl- Tra- Dsx- SR- Male gene repression
D : Sxl- SR- Dsx- Tra- Male gene repression
As Human and Drosophila both follow XY system of sex determination, a male in human is always a male in drosophila and same is for female.
Options
A : True
B : False
C :
D :
The composition AA: XXX will give a viable female in Drosophila.
Options
A : True
B : False
C :
D :
Which of these genes is responsible for the development of sex of Drosophila?
Options
A : Xce
B : Xist
C : XIC
D : Sxl
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