Advertisements
Advertisements
प्रश्न
Choose the correct answer from the four options given below :
In a human male, a sperm will contain :
विकल्प
Both X and Y chromosomes
Only Y chromosome
Only X chromosome
Either X or Y chromosome
Advertisements
उत्तर
Either X or Y chromosome
APPEARS IN
संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
Differentiate between ‘ZZ’ and ‘XY’ type of sex-determination mechanisms.
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human (i) sperm cell, and (ii) zygote?
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Choose the correct answer:
A single recessive trait, able to express must be on _________
Explain the haplo-diploid method of sex determination in the honey bee.
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
Structures present in a cell which is responsible for determination of the sex of a baby is ______.
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
