Home › NEET UG › Biology › Principles Of Inheritance › In birds, the sex-determination mechanism is:
In birds, the sex-determination mechanism is:
AXX-XO type
BZW type with female heterogamety (females ZW, males ZZ)
CHaplodiploid
DXY type with female heterogamety
Answer & Solution
Correct answer: B. ZW type with female heterogamety (females ZW, males ZZ)
Birds: **ZW type, female heterogamety**. Females are **ZW** (two different sex chromosomes), males are **ZZ** (homogametic). So in birds the **female determines the sex of the offspring**.
Related questions
How many chromosomes are there in a normal human cell?The gain or loss of a single chromosome is called:Turner's syndrome in human females results from the loss of:Down's syndrome results from an extra copy of chromosome:In sickle-cell anaemia the red cell changes from a biconcave disc to a:A heterozygous female for haemophilia is called a:Morgan carried out his crosses using:Who proposed the chromosomal theory of inheritance?