MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

XX-XO Type

Write the typ...

Question

Write the types of sex-determination mechanisms the following crosses show. Give an example of each type.
(i) Female XX with Male XO
(ii) Female ZW with Male ZZ

Open in App

Solution

(i) Female XX with male XO is male heterogamety. For example, grasshopper.
(ii) Female ZW with male ZZ is female heterogamety. For example, birds.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Write the type of sex determination mechanism for the following. Give an example of each type.

(i) Female XX and male XO (ii) Female ZW and male ZZ.

Q. Five Mark Questions :
(a) Explain the mechanism of sex determination in humans.
(b) Differentiate between male heterogamety and female heterogamety with the help of an example of each

Q. Assertion :XX-XY type of sex determination mechanism is an example of female heterogamety and is found in Drosophila. Reason: Male heterogamety is seen in moths where males produce two different types of gamete.

Q. Which of the following is an example of ZW-ZZ type of mechanism of sex determination?

Q. Assertion :In pigeons, females are heterogametic and males are homogametic. Reason: In pigeons, females have ZW sex chromosomes and males have ZZ sex chromosomes.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Sex Determination

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon