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Biology 17 Online
klmjnmkj:

biology

klmjnmkj:

1 attachment
klmjnmkj:

a daughter?

AZ:

mhmm there's two blanks Can you first draw the Punnett square? And also the answer choices would be helpful

klmjnmkj:

1 attachment
klmjnmkj:

1 attachment
AZ:

|dw:1619188527328:dw|

klmjnmkj:

|dw:1619188601932:dw|

AZ:

fixed that for you, what about the rest? |dw:1619188737473:dw|

klmjnmkj:

im not sure

AZ:

just bring down the letters from on top and from the side and put them together

klmjnmkj:

Xhy

klmjnmkj:

xhxh

AZ:

Good!

AZ:

|dw:1619188845266:dw|

klmjnmkj:

but hemophilia

AZ:

So remember from your previous question: "In order to express hemophilia, females need two copies of the allele. Men, however, only need one copy of the gene to express hemophilia" So we know that if you have two X and they're both Xh then that means they express it 2 X means they're female and if they have XY (so they're a male) and that X is an Xh then that means they express hemophilia

klmjnmkj:

75%

AZ:

so honestly, that's why I asked for the drop down options of your question because based on the other question, when they say "likely to express hemophilia" they're asking about only those who are affected and are not interested in carriers but then you wouldn't be able to choose between a son and daughter for the second option since it's equally likely. It could be either a son or a daughter so maybe they mean it in a sense where you include the carriers so yeah, I'd go with 75% then

klmjnmkj:

i sent the drop don

klmjnmkj:

is the child a daughter

AZ:

most likely although it could be either if we get this wrong, do let me know if they give you any explanations because there is something wrong with this question lool

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