The orientation of each tetrad at the spindle equator is O paternally controlled

Question

The orientation of each tetrad at the spindle equator is O paternally controlled. O maternally controlled O dependent on the number of tetrads O random References eBook & Resources Mutuple Choice Tetrad orlentation 100 points The number of possible orientations The number of possible chromosomal orlentations durting metaphase l is equal to the number of chromosome pairs ralsed to the 2nd power. O True O False References eBook & Resources True / False The number of possible ornentations velue 100 polints Genetic variation Each onentation of chromosomes produces gametes with the same genetic information from each parent. O True Folse

Explanation / Answer

The orientation of each tetrad at the spindle equator is
The answer is random.

The orientation of each tetrad at the spindle equator is random, as the cells inherits half of the chromosomes from mother and half of the chromsomes from father due to this random orientation, the resultant gametes inherits both maternal and paternal chromsomes.

he number of possible chromosomal orientations during metaphase I is equal to the number of chromosome pairs raised to the 2nd power.

The answer is False.

Viz., if a cells has 4 tetrads (= 4 pairs of chromosomes)No. of possible orientations = (2)n where, n = number of tetrads

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