In cows, the allele for red hair is HR and the allele for white hair is HW. In chickens, the allele for black feathers is FB and the allele for white feathers is FW. For the following
individuals, which show co-dominance, write the appropriate genotypes:
a. a red cow
b. a roan cow
c. a white bull
d. a white chicken
e. a black chicken
f. a speckled chicken

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Select the word from the list that best fits the definition a system made of 25 satellites