Unit 8: Genetics and Heredity Crossword

One of two (sometimes more) alternative forms of a gene.
A procedure used in which fetal cells are removed from the amniotic fluid and analyzed genetically.
A person that has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease.
A trait that is expressed if at least one allele is present (T T OR T t).
The study of genes and heredity of living organisms.
The pair of alleles responsible for a particular trait (represented by letters of the alphabet).
The passing of genetic information from parent to offspring.
A pair of alleles that are different, where one is dominant & one is recessive (Ex. T t)
A pair of alleles that are the same; either both dominant (B B) or both recessive (b b)
A dominant inheritance pattern in which the heterozygous genotype in which both alleles are partially expressed and often produces an intermediate phenotype.
The physical appearance of an organism as a result of its genotype and the environment.
A homozygous individuals that always produce offspring of the same phenotype when crossed together.
A gene that can be masked by a dominant gene and is only expressed when two recessive alleles are present (b b).
An observable characteristic of an organism usually controlled by genes.
A square diagram that is used to predict an outcome of a particular genetic cross.
A diagram or family tree that shows the members of the family who are affected by a genetic trait.
Another term for heterozygous (B b)
A change in a DNA sequence