Colour blind male means X'Y
Nomal femal means XX
on crossing you get : 2 X'X ; 2 XY
Genotypes (phenotypes) : 2 XY (normal male) and 2 X'X (carrier female with no colourblindness)
A:)))))))))))))))))))))))))))))))
I’m not sure I think it’s D.) Hope I could help :)))
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Generally, you can calculate it with this formula: df = (r-1)(c-1) where r is the number of rows and c is the number of columns.
Shelled protozoans became part of 7 layers
