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

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

Grade:12

3 Answers

Akshat Jain
74 Points
7 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
533 Points
7 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
383 Points
7 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.

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