Genetics#2

A structure in the nucleus that carries the genetic code (DNA).

• Gene
• Nitrogen Base
• Chromosome
• Centromere

Genetic material that makes up chromosomes and genes.

• Alleles
• DNA
• Nucleus
• Cells

DNA's structure is an extremely long double helix (spiral) molecule containing 4 __________ bases and a sugar-phosphate backbone.

• nitrogen
• oxygen
• carbon
• hydrogen

Part of DNA located on the chromosomes.

• nucleus
• genes
• alleles
• ribosomes

The stronger gene in the trait that always shows up in the offspring.

• recessive gene
• independent gene
• dominant gene
• Big allele