How do the characteristics of mother and father get transmitted in a human embryo?

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Solution

Through sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents. During fertilization, the male and the female gametes fuse to form the zygote, that later develops to form the embryo. The gametes posses a haploid genome of either parent and during fusion these characters present in the genome pass on to the offsprings. There are 22 chromosomes pairs (autosomes) and a pair of sex chromosomes (allosomes). If one of the sex chromosomes is a short Y chromosome, the baby will be male and if both are X chromosomes, the baby will be female.

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Q. How do the characteristics of mother and father get transmitted in a human embryo ?

Q. How do the characteristics of mother and father get transmitted in a human body?

Q. A baby has characteristics that are from both the mother and the father.

(a) How does the embryo get nourishment inside the mother's body?
(b) If the blood group of father is A and the blood group of mother is O, what will be the blood group of their daughter? Explain how you have arrived at your answer.

Q. Question 1
The belief that the mother is completely responsible for the sex of the child is wrong because the child

(a) Gets sex chromosome only from the mother.
(b) Develops in the body of the mother.
(c) Gets one sex chromosome from the mother and the other from the father
(d) Gets sex chromosome only from the father

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