Grade 12Botany

in pinus endosperm cell have 30 chromosome then how many chromosomes are present in sieve cells ans.. 60 but plz explain how ?

manika

10 Years agoGrade 12

3 Answers

Akshat Jain

10 Years ago

Endosperm Of Pinus Which Is A Gymnosperm Is Haploid(n) That Means n = 30 , And Sieve Cell Is Diploid(2n). Hence, Number Of Chromosomes In Sieve Cell Will Be 60.

If Still Not Got Then Let Me Know.

Thanks !

Beenu Mathew

10 Years ago

Hi,

pinus = gymnosperm

GYMNOSPERM ENDOSPERM IS HAPLOID(n-given in the q)

SIEVE CELL IS DIPLOID

SO ??

what are u waiting for multiply 2 with n

you get the ans....60

JEHOYESJIRA

raj

10 Years ago

hello,

Endosperm Of Pinus Which Is A Gymnosperm Is Haploid(n) That Means n = 30 , And Sieve Cell Is Diploid(2n). Hence, Number Of Chromosomes In Sieve Cell Will Be 60.

If Still Not Got Then Let Me Know.