How is the sex of the child determined in human beings?

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Answer:

Prediction of whether a child will be male or female before the birth is called sex determination. The child who gets the X chromosome from the father is a girl and the child who gets the Y chromosome from the father is a boy. Father has XY but mother has only XX chromosomes. Thus the Y chromosome determines the sex of the child.

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How is equal share of genetic contribution by male and female parents in the progeny ensured

Make a project to find the effective color of dog skin

One study showed that the parents of children with light colored eyes also have light colored eyes. On the basis of this, can we say whether the symptom of light colored eyes is effective or ineffective? Explain your answer

In one of Mendel’s experiments, tall pea plants with purple flowers were crossed with dwarf plants with white flowers. The flowers of all the plants of his praise were purple in color. But about half of them were dwarfs. From this it can be said that the genetic composition of tall parent plants was : (a) TTWW (b) TTww (c) Tt WW (d) Tt Ww

A man with blood group A marries a woman with blood group O and B their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?

How do Mendel’s experiments show that traits are inherited independently?

How do Mendel’s experiments show that traits may be dominant or recessive?

How does the creation of variations in a species promote survival?

If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Chapter 8 NCERT Class 10 Science SOLUTIONS

Question:

Answer:

More NCERT Questions

How is equal share of genetic contribution by male and female parents in the progeny ensured

Make a project to find the effective color of dog skin

One study showed that the parents of children with light colored eyes also have light colored eyes. On the basis of this, can we say whether the symptom of light colored eyes is effective or ineffective? Explain your answer

A man with blood group A marries a woman with blood group O and B their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?

How do Mendel’s experiments show that traits are inherited independently?

How do Mendel’s experiments show that traits may be dominant or recessive?

How does the creation of variations in a species promote survival?

If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Related Topics

Chapter 8 NCERT Class 10 Science SOLUTIONS

Question:

Answer:

More NCERT Questions

How is equal share of genetic contribution by male and female parents in the progeny ensured

Make a project to find the effective color of dog skin

One study showed that the parents of children with light colored eyes also have light colored eyes. On the basis of this, can we say whether the symptom of light colored eyes is effective or ineffective? Explain your answer

A man with blood group A marries a woman with blood group O and B their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?

How do Mendel’s experiments show that traits are inherited independently?

How do Mendel’s experiments show that traits may be dominant or recessive?

How does the creation of variations in a species promote survival?

If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Related Topics

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