Principles of Inheritance and Variation
- Mendel’s last law is
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According to the law of Independent Assortment, alleles of different characters located in different pairs of homologous chromosomes are independent of one another in their separation or segregation during gamete formation.
Correct Option: C
According to the law of Independent Assortment, alleles of different characters located in different pairs of homologous chromosomes are independent of one another in their separation or segregation during gamete formation.
- A dihybrid condition is
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Dihybrid condition involves simultaneous inheritance of two pairs of mendelian factors or genes.
Correct Option: D
Dihybrid condition involves simultaneous inheritance of two pairs of mendelian factors or genes.
- The allele which is unable to express its effect in the presence of another is called
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The allele which cannot express its effect in the hybrid or in the presence of dominant allele is termed as recessive. It is denoted by small letter.
Correct Option: D
The allele which cannot express its effect in the hybrid or in the presence of dominant allele is termed as recessive. It is denoted by small letter.
- Red (RR) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of
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Incomplete dominance is the phenomenon of none of the alleles being dominant, with the effect that the hybrid produced by crossing two pure individuals is a mixture between the parents.
Correct Option: B
Incomplete dominance is the phenomenon of none of the alleles being dominant, with the effect that the hybrid produced by crossing two pure individuals is a mixture between the parents.
- When a certain character is inherited only through female parent, it probably represents
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Plasma genes present in the maternal cytoplasm are transmitted to offspring hence this type of inheritance is termed as cytoplasmic or maternal inheritance.
Correct Option: B
Plasma genes present in the maternal cytoplasm are transmitted to offspring hence this type of inheritance is termed as cytoplasmic or maternal inheritance.