Answer:
a. Centromere
A centromere is a specialised DNA sequence of a chromosome that links pair of sister chromarids (a dyad)
Answer AND Explanation:
Gnetophytes are gymnosperms
, they are woody and the embryo has two cotyledons
. Cycads are woody plants that produce seeds found in Subtropical and warm temperate regions and also they produce motile sperm cells.
Answer:
c. Mammal Reproduction
Explanation:
They're all types of mammals