What’s heredity?
The passing of traits to parent from offspring.
What are genetics?
The study of how traits are passed from parents to offspring.
What’s a chromosome?
A structure of acids and proteins found in the nucleus in most living cells.
What’s a gene?
A section on a chromosome that had genetic information for one trait.
What’s alleles?
Different forms of genes.
What’s a genotype?
The two alleles that control the phenotype of a trait.
What’s a phenotype?
How a trait looks like or is expressed.
What’s the difference between purebred and hybrid?
Purebred- bred from parents of the same breed
Hybrid- offspring with different forms of the same trait.
What’s the difference between homozygous and heterozygous?
Homozygous- two alleles of a genotype are the same
Heterozygous- two alleles of a genotype are different
What’s dominant?
RR
What’s ressecive?
rr
What’s a pedigree?
A family tree expressed with symbols and shading.
What did Mendel do?
He concluded that two genetic factors control a trait.