Inheritance Glossary Worksheet Crossword

sex cell (sperm in males / eggs in females).
The structure made of DNA that codes for all the characteristics of an organism.
The basic unit of genetic material inherited from our parents. It is a section of DNA which controls part of a cells chemistry - particularly protein production.
Different versions of the same gene.
This allele is always expressed, even if the individual only has one copy of it.
This allele is only expressed if the individual has tow copies of it and does not have the dominant allele of that gene.
This describes a genotype in which the the two alleles for the characteristic are identical, for example AA or aa.
this describes a genotype in which the two alleles for a particular characteristic are different, for example Aa.
The set of genes that it carries, for example what alleles it has.
The visible characteristics of an organism which occur as a result of its genes.