Which of the following formula is used to determine the recombination frequency %?
a)
b)
c)
d)
Sturtevant expressed the distances between genes in……..
a) gene units
b) allele units
c) map units
d) chromosome units
Explanation: today map units are often called centimorgans (cM)
One map unit is supposed to equal………frequency.
a) 1% parental
b) 1% recombination
c) 10% parental
d) 10% recombination
Sex Determination:
How many more common mechanisms are used for sex determination in organisms?
a) two
b) three
c) four
d) five
Explanation: XO-XX Type, XX-XX Type and XX-XY Type or WZ-ZZ Type
Which of the following sex determination pattern is found in grasshopper and Protenor bug?
a) XO-XX Type
b) XY-XX Type
c) XX-XY Type
d) WZ-ZZ Type
