Multiple choice

In a grafted plant, stock has 48 chromosomes while scion has 24 chromosomes. The chromosome number for root cells and eggs are

  1. 48 and 24

  2. 24 and 24

  3. 24 and 12

  4. 48 and 12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In grafting, the root system is provided by the stock (48 chromosomes, 2n = 48). The scion provides the reproductive parts; the egg is a haploid gamete (n = 12).

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