Ahuman sperm cell has select one:

a. 23 paired genes.
b. 23 unpaired chromosomes.
c. 46 paired chromosomes.
d. 46 unpaired genes. straighterline

Option B.

A human sperm cell has 23 unpaired chromosomes.

Explanation:

A human sperm cell Is the male reproductive cell. The human sex cell are the sperm which is the male sex cell and the ovum which is the female sex cell. Each sex cell have 23 unpaired chromosomes each. The sex cell are produced by a type of cell division called meiosis. When the male and the female sex cell fuse together, the form a zygote which has 2n chromosomes I.e 46 chromosomes.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.