Frequency of Down’s syndrome increases | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(a) They occur in $1/700$ births in women aged $25$ years or under.

The frequency increases with age to about $1/100$ for women of age $40$ and $1/

Vedclass · Accepted Answer

Above $35$ years

Vedclass · Answer

(a) They occur in $1/700$ births in women aged $25$ years or under.

The frequency increases with age to about $1/100$ for women of age $40$ and $1/10$ for women of age $45.$

Frequency of Down’s syndrome increases when the maternal age is

Similar Questions

Who has putforth Mendel's conclusions in the form of laws

The character that is expressed in the $F_{1}$-generation is called the

Number of autosomal chromosomes in Drosophila

Assertion : Persons suffering from haemophilia fail to produce blood clotting factor $VIII$.

Reason : Prothrombin producing platelets in such persons are found in very low concentration.

In phenylketonuria