Cytological consequences of crossing over

A detailed illustration depicting the phases of meiosis, highlighting crossing over between homologous chromosomes, with labels and annotations showing key stages and processes involved in genetic recombination.

Cytological Consequences of Crossing Over

Test your knowledge of one of the most intriguing processes in genetics: crossing over. This quiz explores the fundamental aspects of crossing over during meiosis and its implications for genetic variation.

Challenge yourself with questions that cover:

The stages of meiosis where crossing over occurs
Factors affecting the frequency of crossing over
Key terminology and historical insights related to genetic recombination

10 Questions2 MinutesCreated by LearningGene42

1) CROSSING OVER TAKES PLACE IN WHICH STAGE?

I) Diakinesis Stage

Ii) Anaphase Stage

Iii) Pachytene Stage

Iv) Leptotene Stage

2) THE PERCENTAGE OF CROSSING OVER WILL BE MORE IF?

I) Genes are not linked

Ii) Genes are located in a different cell

Iii) Linked genes are located close to each other

Iv) Linked genes are located far apart from each other

3) CROSSING OVER TAKES PLACE DURING?

I) Prophase I

Ii) Metaphase I

Iii) Prophase II

Iv) Anaphase

4) SYNAPSED CHROMOSOME IN MEIOSIS WRAP AROUND EACH OTHER TO FORM ?

I) Tetrad

Ii) Bivalent

Iii) L –shaped structure

Iv) Chiasmata

5) CHIASMATA FIRSTLY SEEN IN ?

I) Leptotene

Ii) Diplotene

Iii) Zygotene

Iv) Pachytene

6) THE WORD “CROSSING OVER” IS GIVEN BY ?

I) Morgan

Ii) Darlington

Iii) Muller

Iv) Bateson

7) CROSSING OVER IN DIPLOID ORGANISM IS RESPONSIBLE FOR ?

I) Dominance of genes

Ii) Linkage between genes

Iii) Segregation of alleles

Iv) Recombination of linked alleles

8) WHAT IS THE UNIT OF CROSSING OVER ?

I) Cistron

Ii) Muton

Iii) Recon

Iv) None of the above

9) CROSSING OVER THAT RESULTS IN GENETIC RECOMBINATION IN HIGHER ORGANISMS OCCURS BETWEEN ?

I) Two daughter nuclei

Ii) Two different bivalents

Iii) Sister chromatids of a bivalent

Iv) Non-sister chromatids of a bivalent

10) CHIASMA SHOWS THE SIGHTS OF ?

I) Spindle formation

Ii) Synapsis

Iii) Crossing over

Iv) None of these

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Cytological consequences of crossing over

Cytological Consequences of Crossing Over

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