How many boxes can be found in a punnett square for a dihybrid cross?

The correct answer is 16 boxes.

Explanation:

A cross between two different genes or lines that vary in 2 observed traits is the dihybrid cross. By Mendel's law, in between the alleles of both these loci, there is a dominance -recessive relation.

Different combinations of alleles, create a 4 square by 4 square Punnett square. It means there will be four into four alleles in the gametes form 16 offsprings in 16 boxes with genotype of 9:3:3:1

Thus, the correct answer is 16 boxes.

16 boxes.

Explanation:

Punnett's painting is undoubtedly one of the main tools for discovering the expected genotypes for a cross. It was created by the English geneticist Reginald Crundall Punnett (1875-1967) and is nothing more than a table in which we separate an individual's possible gametes and make possible combinations between them.

In a nutshell, Punnett's picture is a kind of diagram in which we separate the gametes of one parent in a row and the other in a column and combine rows and columns to observe possible descendants. In each square of the descendants we will be representing a possible crossing of an egg and a sperm. For mono-hybrid features this frame has four boxes, however for di-hybrid features, as the ratio between alleles is higher, the punnett frame has 16 boxes.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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