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Hybrid is an offspring from a cross betw...

Hybrid is an offspring from a cross between genetically different parent.

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Fill in the blanks in the following statements by selecting the correct option. (i) All hybrids of poultry are produced by ______ inbred stocks. (ii) Super hybrids are obtained when genetically parents are used in the cross. (iii) A_______ is produced from a cross between female horse (mare) and male donkey.

The ratio of 1:1:1:1 is obtained from a cross between the parents _________.

'Trihybrid Cross'' Cross between homozygous parents that differ in three pairs of contrasting characters. It forms 8 different gametes and 64 different zygotes. Single phenotype is controlled by more than one set of genes. It demonstrates the Mednel's laws are applicable to the inheritance of multiple traits.

Read the given statements and select the correct option Statement 1 : Test cross is used to determine an unknown genotype within one breeding generation Statement 2 : Test cross is a cross between F_(1) hybrid and dominant parent.

Assertion: The offsprings produced by asexual reproduction are genetically identical. Reason: They are produced by mitotic or amitotic cell division.

Asseration (A) : Daughter cells are genetically identical to parent cells. Reason (R ) : Exact copy of all the parent cell is produced by mitosis.

Assertion: Offsprings produced by asexual reproduction ar geneticaly identical to the parent. Reason: Asexual reproduction involves only mitosis and no meiosis.

Crosses between the plants of the different genera are called

Assertion(A):Hybridization is the common method of creating genetic variation. Reason ( R):Triticale is the first man made cereal hybrid.