The main determiner of male s*x in human is?

Question

the main determiner of male s*x in human is

a)the absence of a secon X chromosome

b)the absence of a Ychromosome

c)the presence of a Y chromosome

d)the presence of two X chromosomes.

Answer 1

c

Answer 2

c) The presence of a Y chromosome.

Males are XY.

Females are XX.

Answer 3

C.  It is the presence of the Y chromosome.  The Y chromosome contains a gene, known as the SRY gene, that lets the body know to differentiate the genetalia into male organs.  If the fertiziled egg gets an X from the sperm, then there is an absence of the SRY gene, which cause the genetalia to become that of a female.

Here is a link on the SRY gene for more info....

Answer 4

the presence of a Y chromosome

because y coromosome determines the s*x

since both have x coromosomes

male has xy but female has xx

Answer 5

C.