Mendelian Genetics [6F. R]:Question 1
In cocker spaniels the allele for a black coat color (B) is dominant
over the allele for a brown coat color (b). If a heterozygous black
cocker spaniel is crossed with a brown cocker spaniel, what fraction
of their offspring would be expected to have a brown coat?

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what do anaerobic organisms have in common with photosynthetic organisms?

they both appeared on earth at about the same time.

they both can only exist as single-celled organisms.

they both need an energy source in order to survive.

they both produce carbon dioxide as a waste product.

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