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3 years ago

Please help asap with 14

Biology

1 answer:

tester [92]3 years ago

4 0

Answer:

Explanation:

Co-dominance is when both alleles combine to form an intermediate phenotype. It's like crossing a red and white flower and getting a pink flower.

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In ocean acidification, dissolving co2 gas ________ the ph of the ocean.

vitfil [10]

In ocean acidification, dissolving co2 gas increases the ph of the ocean

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3 years ago

Cross a person who does not have freckles and is heterozygous for dimples with a person who has

Alja [10]

Answer:

1. 1/2

2. 1/2

3. 1/4

Explanation:

Let the allele for freckles be A or a while that of dimples be B or b.

A person without freckles but heterozygous for dimples = aaBb

A person who has freckles (whose mother has no freckles) but no dimples = Aabb

aaBb x Aabb

Offspring

4 AaBb - freckled and dimpled

4 Aabb - freckled and non dimpled

4 aaBb - non freckled and dimpled

4 aabb - non freckled and non dimpled

1. Probability that the parents will have a dimpled child = 8/16 or 1/2

2. Probability that they will have a child with freckles = 8/16 or 1/2

3. Probability that they will have a child with freckles and dimples = 4/16 or 1/4

See the attached image for the Punnet's square analysis of the cross

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3 years ago

The area of land drained by a single river or stream is called a(n):

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Both watershed and drainage basin

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4. Does a prokaryotic cell have a cell wall?

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pashok25 [27]

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