The F2 generation phenotypes resulting from the monohybrid cross of purebreds display a ratio of _____.

Biology

2 answers:

Dahasolnce [82]2 years ago

5 0

Answer:3:1

Explanation:

ki77a [65]2 years ago

3 0

In the sentence "The F2 generation phenotypes resulting from the monohybrid cross of purebreds display a ratio of _____" the word that correctly completes the sentence is 3:1. In the monohybrid cross of purebreds, F1 generation will consist of heterozygotes with dominant phenotype. When F1 generation cross, the F2 generation phenotypes will be as following: 3 dominant phenotypes (1 dominant homozygote and 2 heterozygotes) and 1 recessive phenotype (1 recessive homozygote).

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Which of the following characteristics is not attributed to the sympathetic division of the ANS?

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Answer:

C) It has a long preganglionic fibers

Explanation:

Peripheral nervous system (PNS) is the nervous system that contains nerves and ganglia outside the central nervous system (CNS). PNS is divided into:

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sympathetic ("fight and flight") system-responsible for stressful and active situations (but also in normal conditions);contains short preganglionic fibers and long postganglionic fibers.