2007-01-29 12:09:05 · 4 answers · asked by omygosh 4 in Science & Mathematics ➔ Biology
A dihybrid cross is a cross where you are paying attention to two genes. Let's say the genes are a and b, and capital letters represent dominant alleles. In a dihybrid cross you would cross two individuals who are heterozygous at both genes (AaBb x AaBb). The phenotype ratio of the offspring would be 9:3:3:1.
2007-01-29 12:21:00 · answer #1 · answered by Surely Funke 6 · 1⤊ 0⤋
Type dihybrid cross in the "search for questions" box of Yahoo Answers and find a question like this that was answered a week or so ago.
2007-01-29 12:21:58 · answer #2 · answered by ecolink 7 · 0⤊ 0⤋
In a dihybrid cross, 2 of the same genes are crossed per parent.
Draw a square and split it into 4 smaller squares. Then, write the 2 genes above the upper squares (one per square) and the other two on the left side in the same fashion. Then, just put them in the squares below or to the right of them and you'll find the genotype, or the genetic makeup. If you combine BB with bb, you'll always get 4 Bb. If you combine Bb with Bb you'll get 1 BB, 2 Bb, and 1 bb. If BB with Bb, 2 Bb and 2 BB. If bb with Bb, 2 bb and 2 Bb. good luck
2007-01-29 12:19:04 · answer #3 · answered by Marx Payne 1 · 0⤊ 1⤋
you cant. its ingrained , you would have to get into genetic engineering and its not able to do that.....yet. [if your teleportation device spliced you with a fly you will be a ... brundelfly....ahahahahah!]
2007-01-29 12:12:47 · answer #4 · answered by Anonymous · 0⤊ 2⤋