Why it is scientifically correct to say that sex of baby is determined by father and not by mother?

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2.Human Reproduction

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Why it is scientifically correct to say that sex of the baby is determined by the father and not by the mother?

Human female produces two types of gametes

Human male produces one type of gametes

Human female is $XX$, whereas male is $XY$, $50\;\%$ of sperms carry the $X$ chromosome while other $50\;\%$ carry $Y$ chromosome

All of these

Solution

Due to heterozygosity in male sex chromosomes $(XY)$, the sex of baby is decided by the kind of sperm (having $X$ or $Y$) approaching female ovum (which has $X$)

Standard 12

Biology

Which of the following are secretions produced by the spermatozoa at the time of fertilization?

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Failure of descending testis into scrotum is known as

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(AIIMS-1983)

$A$ : Blastocyst undergoes gastrulation to produce the three germinal layers.
$R$ : This involves cell movements (morphogenetic movement) that eventually help to attain new shape and morphology of embryo

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Site of fertilization in a mammal is ……

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The minimum number of barriers present between foetal and maternal blood is present in which type of placenta?

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Why it is scientifically correct to say that sex of the baby is determined by the father and not by the mother?

Solution

Similar Questions

Which of the following are secretions produced by the spermatozoa at the time of fertilization?

Failure of descending testis into scrotum is known as

$A$ : Blastocyst undergoes gastrulation to produce the three germinal layers. $R$ : This involves cell movements (morphogenetic movement) that eventually help to attain new shape and morphology of embryo

Site of fertilization in a mammal is ……

The minimum number of barriers present between foetal and maternal blood is present in which type of placenta?

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$A$ : Blastocyst undergoes gastrulation to produce the three germinal layers.
$R$ : This involves cell movements (morphogenetic movement) that eventually help to attain new shape and morphology of embryo