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Question
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
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Solution
Alleles are the alternative forms of a gene producing different effects.
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RELATED QUESTIONS
Differentiate between ‘ZZ’ and ‘XY’ type of sex-determination mechanisms.
In a human, how many chromosmes are present in a fertilised egg?
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
Name any two genetic in humans.
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 |
The number of pairs of sex chromosomes in the zygote of a human being is ______
A zygote which has an X-chromosome inherited from the father will develop into a
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
A zygote which has Y chromosome inherited from the father will develop into a ______.
