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प्रश्न
Define the following:
Sex-linked characters
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उत्तर
Sex-linked characters - Such characters or traits that are controlled by genes occurring on sex chromosomes are called sex linked characters.
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संबंधित प्रश्न
A new born child has an XY pair of chromosmes. Will it be a baby boy or a baby girl?
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
Give Reason:
Why X-linked recessive diseases are more common among males than females.
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
Which of the following is an example of genetic variation?
A zygote which has an X-chromosome inherited from the father will develop into a
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
Fill the blank circles in figure and identify the sex of child A and B.
Which term describes organisms where male and female reproductive organs are present in separate individuals?
