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Babygal Babygal
wrote...
Posts: 34
Rep: 1 0
14 years ago
What will be the phenotypic sex of a human with the following gene or chromosomes or both and WHY?
a. XY with the SRY gene deleted-
b. XY with the SRY located on an autosomal chromosome-
c. XX with a  copy of SRY gene on an autosomal chromosome-
 d. XO with a copy of SRY gene on an autosome-
e. XXY with the SRY gene deleted-
g. XXYY with one copy of the SRY deleted.
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wrote...
Educator
14 years ago
a. XY with the SRY gene deleted-   FEMALE
b. XY with the SRY located on an autosomal chromosome-    MALE
c. XX with a  copy of SRY gene on an autosomal chromosome-   MALE
 d. XO with a copy of SRY gene on an autosome-   MALE
e. XXY with the SRY gene deleted-    FEMALE
g. XXYY with one copy of the SRY deleted.  - MALE

In humans, a single functional copy of the SRY gene, normally located on the Y chromosome, determines phenotypic maleness by causing gonads to differentiate into testes. In the absence of a functional SRY gene, gonads differentiate into ovaries and the individual is phenotypically female.

Note: I obtained this solution from the solutions manual so change up the words a little bit in case 8).
Babygal Author
wrote...
14 years ago
thanks for the help. I really appreciate it.
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