X and Y chromosomes Crossword

A thread-like structure which carries genetic information in the form of genes.
The entire genetic material of an organism
Hormone which is responcible for maintaining the uterus lining
A specialised cell that transmits electrical impulses.
Meiosis produce four ? cells.
Meiosis produces these. In humans they are the sperm and egg.
The process where the gametes fuse together
Mitosis produces two genetically ? daughter cells
De-oxiribose is a ? molecule that makes up a nucleotide
A compound consisting of a phosphate group, sugar molecule and base
Two or more alternative forms of a gene
An allele that is almost always expressed, even if only one copy is present.
A distinct sequence of nucleotides forming part of a chromosome