Question

the sex of a newborn child is chance of matter and none of the parent may be considered responsible for it justify the statement with the help of flow chart showing determination of sex of a newborn​

Answer 1

Answer:

yes but were is the flow chat...

Explanation:

the sex of the baby is determine by the hormones...parents may not be considered responsible for it.the male parent contains xy hormones whereas the female parent contains xx hormone...so...the mother sex hormone is same and it depends on hormones of male...if it comes x then the child will be a baby girl and if y then it will be a baby boy..thus the sexes of child is determined.

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Answer 2

Answer:

THE SEX OF CHILD DEPENDS ONLY ON THE KIND OF SPERM WHICH FERTILISES THE EGG.

ACCORDING TO THE LAW OF SEX DETERMINATION ,

Female has 2 X chromosomes n the male has 1 X chromosome n 1 Y chromosome along with 22 pairs of autosomes.

Female - 22 pairs + XX .

During gamete or egg formation reduction division takes place (meosis) n produces 22 +X chromosome in the egg.

all the eggs are of same type.

 Male- 22 pairs +XY .

so the sperms produced are of 2 types - 22 +X & 22 +Y.

When a sperm having 22 +X chromosome fuses with egg , a female  child  will be produced.[ 22 pairs +XX].

If a sperm having 22 +Y chromosome fuses with the egg , a male child will be produced.[22 pairs +XY].

THUS THE SEX OF THE CHILD DEPENDS ONLY ON THE KIND OF SPERM WHICH FERTILISES THE EGG.