5. Show the cross of a red eyed female (heterozygous) and a red eyed male What...

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5. Show the cross of a red eyed female (heterozygous) and a red eyed male What are the genotypes of the parents? How many of

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Answer 1

Answer #1

5. X^w+X^w X Y

Red-eyed female x red eyed male

X^w+

X^w

X^W

X^w+X^W

^{Red eyed female}

X^wX^w

^{white eyed female}

Y

X^w+Y

red eyed male

X^wY

white eyed male

white eyed male -25%

white eyed female-25%

red eyed female- 25%

red eyed male- 25%

6. male haemophiliac x female carrier

X^hY x X^HX^h

X^h

Y

X^H

X^HX^h

^{carrier daughter}

X^HY

normal son

X^h

X^hX^h

^{haemophiliac daughter}

X^hY

haemophiliac son

50% probability of being haemophilic in their children.

7. X^HX^h x X^HY

carrier female x normal male

X^H

X^h

X^H

X^HX^H

^{Normal female}

X^HX^h

^{carrier female}

Y

X^HY

normal male

X^hY

haemophiliac male

25% of haemophilia in the children and that too in males.

8. X^h X^h x X^HY

Female haemophiliac x normal male

X^h

X^H

X^HX^h

^{carrier female}

X^HX^h

^{carrier female}

Y

X^hY

haemophiliac female

X^hY

haemophiliac female

50% of their children will be haemophiliac and these children will be sons or males.

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