3 years ago

The respiratory system depends on the nervous system for signals to

Biology

1 answer:

ira [324]3 years ago

6 0

Coordinates muscles controlling breathing ..

Hope it helps.

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What 2 chemicals dose cellular respiration need as reactants

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Answer: Oxygen and glucose are both reactants in the process of cellular respiration

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3 years ago

A reactant that fits into the active site of an enzyme is called...

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In rabbits, black fur (B) is dominant to white fur (b). A purebred black furred male is bred with a female that had the recessiv

ValentinkaMS [17]

Answer:

All the offsprings will be black-furred (Bb)

Explanation:

This question involves a single gene coding for fur length in rabbits. The allele for black fur (B) is dominant to the allele for white fur (b). This means that a rabbit heterozygous for this gene (Bb) will have a black fur.

According to this question, a purebred black furred male (BB) is bred with a female that had the recessive white fur (bb). The parents will produce gametes as follows:

BB - B only

bb - b only

Using these gametes in a punnet square (see attached image), the genotypic proportion of the produced offsprings is as follows:

Bb, Bb, Bb, Bb

All Bb (heterozygous) means that all of the offsprings will be black-furred.