Albescent Corn

Savannah Davy, and Carolina Kidwell-Bozeman

albescent plant1 (al1), SRD, CJK, 1-13-05

What it looks like

Albescent corn has white and green leaves

First LeafSecond

Leaf

Third Leaf

Mode of Inheritance

The albescent1 mutation has a recessive mode of inheritance (1 out of 4).

If both parents are carriers (Al1 al1), then 1 out of 4 offspring plants will show the albescent mutant phenotype

Comparing Genotypes and Phenotypes of Al1

Genotypes Genotype Phenotype

Al1 Al1

Homozygous Dominant

Normal/

Green

Al1 al1

Heterozygous Normal/

Green

al1 al1

Homozygous Recessive

Mutant/

Albescent

Transference of mutant trait

Al1 al1 Al1 al1

Al1 Al1

(25%)

Parents

Offspring

Al1 al1

(25%)

al1 Al1

(25%)

al1 al1

(25%)

Discoverers/References

(1933) E. Anderson

Something wrong with albescent. Maize Newsletter Volume 4, page 3

(1933) Burnham, C.R.

Albescent may not be in chromosome 6.Maize Newsletter Volume 4, page 5

The end