When white-coated cattle (W) are mated with red-coated cattle (R), the offspring are roan (WR), meaning their coats contain both white and red hairs. This is an example of codominance.
A farmer breeds two roan cattle with one another.

What is the chance that their offspring will be roan?

A) 0%
B) 25%
C) 50%
D) 100%

C) 50%

Explanation:

Using a punnett square, crossing two heterozygous individuals results in a 25% chance of a white-coated cattle, a 50% chance of a roan-coated cattle, and a 25% chance of a red-coated cattle.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

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