3 years ago

How is salmonella bacteria spread?

1 answer:

4 0

Salmonella can spread to people in foods that have come into contact with infected animal feces. these exposures happen when food such as poultry, eggs, and beef are not cooked enough. Fruit and vegetables can also become contaminated from feces in the soil or water where they are grown.

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Eye color is also determined by genes. Brown eyes are dominant, and blue eyes are recessive. What must be true for two brown-eye

Troyanec [42]

Answer:

The brown-eyed parents must be HETEROZYGOUS to produce a blue-eyed child

Explanation:

This question involves a single gene coding for eye color in humans. The allele for brown eyes (B) are dominant over the allele for blue eyes (b). This means that an individual that is heterozygous (Bb) will phenotypically have a brown eyes.

According to this question, a blue-eyed child (bb) will be produced when two brown-eyed parents are HETEROZYGOUS (Bb) for the eye color trait. This means that each of the parent donated the recessive allele (b) to produce the (bb) offspring. Please find the punnet square attached.

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3 years ago

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Sloan [31]

Plant cells have a cell wall, animal cells don't.
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3 years ago

After you decide what information to collect in a descriptive investigation, you need to _____.

Serggg [28]

Answer:

Make Observations is your answer

Explanation:

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What is the act of adding water to crops?