Biology terms

4. Having the same two alleles at the same position on homologous chromosomes.
6. The physical expression of an organism's gene.
7. One of a pair of genes that have the same position on homologous chromosomes.
10. To fertalize a flower with the pollen from another flower.
11. The genetic makeup of an individual organism.
12. The characteristic that is expressed only in the homozygous recessive condition.
13. The characteristic that is expressed even in the presence of the recessive genes.

1. Mating an organism that has the dominant phenotype but and unknown genotype with another plant that has the homozygous recessive phenotype.
2. A genetic cross that deals with only one set of characteristics.
3. Fertalization from the same flower.
5. Having two different alleles at the same position on homologous chromosomes.
6. A chart that geneticists use to trace the presence or absence of a trait in a number of generations.
8. The specific location of a gene on a chromosome.
9. square A diagram used to visualize genetic crosses.