4. What will be the phenotype sex of a human with the following genetic make-up?

Question

4. What will be the phenotype sex of a human with the following genetic make-up? a) XY with the SRY gene deleted b) XY with the SRY gene on an autosome: c) XX with a copy of the SRY gene on an autosome: c) XO with a copy of the SRY gene on an autosome: d) XXYY with one copy of the SRY gene deleted: 5. When an inheritance pattern has following characteristics, what type of inheritance is Present in males and females. Usually inherited from the maternal parent. Reciprocal crosses give different results. Exhibit extensive phenotypic variation, even within a single family. a) Genetic maternal effect b) Sex-influenced characteristic c) Sex-linked characteristic d) Sex-limited characteristic e) Cytoplasmic inheritance f) Genomic imprinting

Explanation / Answer

The SRY gene is located on the Y chromosome and is also called testis determination factor

If a developing embryo has functional SRY gene in its cells it will develop as a male and vice versa.

a)Female

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