lf individual lll6 and IV4 have a child together what is the

lf individual lll-6 and IV-4 have a child together, what is the probability that the child will have the disorder?

Solution

its x linked recessive

X^C-------ABONRAML ALLELE

III-6------normal --will be genotype = X^CX

IV-4------normal --will be genotype = XY

X^C

X

X

XX^C    

CARRIER AND NORMAL FEMALE

XX

NORMAL FEMALE

Y

YX^C         AFFECTED MALE

YX

NORMAL MALE

ANSWER =1/4= 0.25 AFFECTED OF OFFSPRING

	XC	X
X	XXC     CARRIER AND NORMAL FEMALE	XX NORMAL FEMALE
Y	YXC         AFFECTED MALE	YX NORMAL MALE