If the somatic cells of a human male were found to contain one Barr body in their nucleus the most likely chromosome makeup of the individual would be:
XO
XX
XYX
XXY
XXX
Understanding Barr bodies in somatic male cells is depicted.
Genetics questions - 1. Duchene muscular dystrophy (DMD) is due to an X-linked recessive gene.
A.Explain why 8 to 10 % of female carriers of the DMD gene have muscle weakness.
B. A Female carrier of DMD marries a phenot ...
Human chromosomes and formulas; abnormal chromosome number - I am having trouble writing the formulas. I know what each X and Y chromosome each possess but I don't know who to write a formula with that.
1. Write a formula for:
(a) a male with Down syndrom ...
Genetic Cross - a) Cross a wildtype female with a yellow bodied male to produce an f1 offspring generation. Which allele is domonant and which is recessive. Justify your responce using your results.
b) Now mate F1 i ...