Reed+and+CJ

Heredity breakdown

 Important vocabulary
 * 1) heredity- the transmission from parents to offspring.
 * 2) gene- the basic physical unit of heredity.
 * 3) allele- any several forms of a gene, usually arising through mutation.
 * 4) dominance- traits that mask other traits.
 * 5) recessive- traits that can be hidden in one generation and then appear in the next.
 * 6) homozygous- having two of the same allele.
 * 7) heterozygous- having two different alleles.
 * 8) punnett square- a grid that shows the gametes of each parent and their possible offspring.
 * 9) genotype- the genetic makeup of an organism with reference to a single trait.
 * 10) phenotype- the observable makeup of an organism.

 Photo gallery

 Monohybrid cros s - the offspring of individuals that differ in one trait. example- P1 tall/short TT tt F1 all tall Tt F2 3:1 tall:short  punnett square

 Dihybrid cros s - combining two traits with two alleles each. example- P1 red-tall blue-short RRTT rrtt F1 all red and tall RrTt F2 9:3:3:1 redtall:blue/short

 punnett square

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