In apple, the chromosome number of gametes is 17. What is the chromosome number in its Primary Endosperm Nucleus (PEN) ?

Question

In apple, the chromosome number of gametes is 17. What is the chromosome number in its Primary Endosperm Nucleus (PEN) ? (A) 17 (B) 51 (C) 34 (D) 68

Tardigrade Admin · Accepted Answer

The apple plant is an angiosperm plant. The gametes are haploid cells and PEN in angiosperms is triploid. Thus, if the number of chromosomes in gametes is 17 , then thrice the number is seen in PEN. Therefore, the number of chromosomes in the PEN is 17 × 3=51.

Q. In apple, the chromosome number of gametes is $17$ . What is the chromosome number in its Primary Endosperm Nucleus (PEN) ?

17

51

34

68

The apple plant is an angiosperm plant. The gametes are haploid cells and PEN in angiosperms is triploid. Thus, if the number of chromosomes in gametes is $17$ , then thrice the number is seen in PEN. Therefore, the number of chromosomes in the PEN is $17 \times 3 = 51$ .

Q. In apple, the chromosome number of gametes is 17. What is the chromosome number in its Primary Endosperm Nucleus (PEN) ?

17

51

34

68

The apple plant is an angiosperm plant. The gametes are haploid cells and PEN in angiosperms is triploid. Thus, if the number of chromosomes in gametes is 17 , then thrice the number is seen in PEN. Therefore, the number of chromosomes in the PEN is 17×3=51.

Q. In apple, the chromosome number of gametes is $17$ . What is the chromosome number in its Primary Endosperm Nucleus (PEN) ?

The apple plant is an angiosperm plant. The gametes are haploid cells and PEN in angiosperms is triploid. Thus, if the number of chromosomes in gametes is $17$ , then thrice the number is seen in PEN. Therefore, the number of chromosomes in the PEN is $17 \times 3 = 51$ .