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KIM [24]
3 years ago
6

6) The scientific method

Biology
1 answer:
Rasek [7]3 years ago
7 0

Answer:

Can be used for simple experiments at home or in the classroom

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Can someone answer this pls??
Lunna [17]

Answer:

75% brown, 25% white

Explanation:

This question involves a single gene coding for color in chickens. The allele for brown color (B) is dominant over the allele for white color (b).

According to this question, a brown rooter with genotype 'BB' was crossed with a white hen (bb). The offsprings in the F1 generation will all possess the 'Bb' genotype and be brown colored. However, if these F1 offsprings are self-mated i.e Bb × Bb, the proportion of F2 offsprings will be 1BB, 2Bb, 1bb.

Since BB, Bb and Bb offsprings are Brown in color and bb is white in color, this means that the expected phenotypic appearance of the F2 offsprings will be:

¾ or 75% brown and ¼ or 25% white

8 0
2 years ago
1. All ____________ organisms are composed of ______ or _______ cells.
Diano4ka-milaya [45]
Living one, or more.
8 0
2 years ago
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A student writes two statements about the importance of soil.
Gnoma [55]
I'm not sure but it might be C
7 0
2 years ago
What are the similarities between interspecific and intraspecific competitions?
Lerok [7]

Answer: If you break the two terms down, "intraspecific" just means within a species, while "interspecific" means between them. Consequently, interspecific competition is all about competition between two or more species, while intraspecific competition involves different individuals of the same species.

Great question

7 0
3 years ago
Which statement about the cell membrane is true?
BigorU [14]

Answer:

Its D, The cell membrane(also known a the plasma membrane) has a job in which it has to allow passage in and out of the cell. Therefore it can prevent harmful substances from entering the cell. Think of it as security, either allowing you access or denying you depending on if you're a threat

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3 years ago
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