This printable crossword puzzle on the topic of Genetics & DNA has 22 clues. Answers range from 8 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The formation of gametes by meiosis in the sex organs
Cells that divide by meiosis to ultimately form the sperm and ova
The formation of sperm in the testes
The formation of ova in the ovaries
The diploid generation of plants that produces spores by mitosis
The haploid generation of plants that produces gametes by meiosis
The diploid main body of a plant
Parts of the plant where pollen grains develop
The male nucleus that controls the production of the pollen tube in fertilisation
The male nucleus in a plant that will fuse with the female nucleus
A tube that grows out of the pollen grain, down the style, into the ovary, through the micropyle to carry two male nuclei to the ovule
A pad of special tissue that attaches the ovule to the ovary wall
The transfer of pollen from the anther to the stigma
The process of fertilisation where the male and female nuclei meet and fuse in the environment, outside the parent body
The process of fertilisation of the female gamete by the male gamete inside the body of the mother
The region at the head of the sperm containing enzymes that break down the protective layers around the ovum
A layer of protective jelly around the unfertilised ovum
Fertilisation of an egg by more than one sperm
The tough layer that forms around the fertilised ovum to prevent more sperm from entering
Fertilisation of the ovum in humans
The process by which a pollen tube starts to grow out of the pollen grain to transfer male nuclei to the ovule
The process that occurs in plants when one nucleus fuses with two polar nuclei to form endosperm, while the other forms a diploid zygote