English
Maharashtra State BoardSSC (English Medium) 10th Standard

In humans, ______ chromosome is responsible for maleness.

Advertisements
Advertisements

Question

In humans, ______ chromosome is responsible for maleness.

Fill in the Blanks
Advertisements

Solution

In humans, Y chromosome is responsible for maleness.  

Explanation:

The Y chromosome is responsible for maleness in humans. The presence of the Y chromosome causes the development of male characteristics.

XX → Female

XY → Male

Therefore, the Y chromosome is responsible for maleness in humans.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Life Processes in Living Organisms Part - 2 - Exercises [Page 35]

APPEARS IN

Balbharati Science and Technology 2 [English] Standard 10 Maharashtra State Board
Chapter 3 Life Processes in Living Organisms Part - 2
Exercises | Q 2. b. | Page 35

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

Explain the process of development in human beings.


Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone.


Name the parts of the human female reproductive system where

i. fertilisation takes place

ii. implantation of the fertilised egg occurs


List any four methods of contraception used by humans. State in brief two advantages of adopting such preventive methods.


What are the changes seen in girls at the time of puberty?


Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?


Where is the male gamete formed  in humans?


Which part of the human body produces ova?


Name the liquid that contains sperms.


The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?


 What is the life support system of a fetus?


When a fertilised egg E formed in the oviduct of a human female divides repeatedly to form an embryo, the embryo gets implanted in the thick and soft lining of the uterus. After this a disc-like special tissue T develops between the uterus wall and embryo through which all the requirements of the developing embryo (and foetus) are met from the mother's body, The embryo is connected to the tissue T through a string like structure S.
(a) What is the other name of fertilised egg cell E?
(b) What is the name of tissue T?
(c) Name the string-like structure S.
(d) Name two substances which pass from mother's blood to embryo through tissue T and, one type of substance which passes from embryo to mother's blood.
(e) What happens to S when the baby is born? Why?


Write two examples of sexually transmitted diseases caused by bacteria.


Give the names:

Methods of family planning.


Choose the correct answer:
When pregnancy does not occur, the life of corpus luteum is about _____________


What is sexual reproduction? What are its essential features?


Choose the Odd One Out:


What is inhibin?


Which of the following correctly pairs a reproductive function with its description?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×