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Sexual Reproduction In Flowering Plants

Question
CBSEENBI12002226
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Which is Mendelian idea depicted by a cross in which the F1 generation resembles both the parents?

  • Incomplete dominance

  • Law of dominance

  • Inheritance of one gene

  • Codominance

Solution

D.

Codominance

In Codominance, both alleles of a pair express themselves fully in F1 hybrid, so, it resembles both the parents. In incomplete dominance, the two genes of an allelomorphic pair are not related as dominant or recessive but each of them expresses itself partially. Law of dominance states that when a cross is made between two homozygous individuals considering a contrasting trait of simple character then the trait that appears in F1 hybrids is called dominant. Inheritance of one gene is based the on crossing between single traits.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

Parthenocarpic fruit is :

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

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