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3 years ago

Explain how the gravitation force between earth and the moon would change if the distance between them increased

Biology

1 answer:

Vlad [161]3 years ago

3 0

The gravitional force that the earth has on the moon would be less because the distance increased

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What are the possible phenotypes of chicken offspring if one parent has black feathers ( FB ) and one parent has white feathers

Salsk061 [2.6K]

Answer:

None. Chickens have feathers not fur.

Now to color. The male usually determines color so without that information it is hard to answer with any authority.

In most crosses if the male is black and the hen is white you will get some black chicks and all will have white/black

variations.

If the male is white and the hen is black you will get some all

white with others showing black and white.

If the breed is Leghorn, even if the rooster is black you will

get mostly white chicks with some throwbacks in red and buff.

Explanation:

6 0

2 years ago

4. What genotypes of parents will have only white-fur offspring? Parent 1 genotype = Parent 2 genotype = What genotypes of paren

AnnZ [28]

Answer:

All white offspring: Parent 1 genotype = homozygous dominant

Parent 2 genotype = homozygous/heterozygous dominant

For all black offspring: Parent 1 genotype = homozygous recessive

Parent 2 genotype = homozygous recessive

Explanation:

The cross was between a white mouse and a black mouse and the phenotypic ratio of the resulting offspring is 50% white and 50% black.

Assuming that fur color in the mouse is represented by the allele A (a), In order to give 1:1 phenotypic ratio of the offspring, it means the white mouse is heterozygous with Aa genotype and the black mouse is homozygous with aa genotype. Also, it means that the allele A is dominant over the allele a.

Aa x aa

Aa Aa aa aa

Aa = white

aa = black

Ratio of white to black = 50/50 or 1:1

Hence, in order for a cross to yield only white offspring, the parents can either be homozygous AA and AA or one will be homozygous AA and the other will be heterozygous Aa.

1. AA x AA

AA AA AA AA (all white offspring)

2. AA x Aa

AA Aa AA Aa (all white offspring).

In order to produce only black offspring, both parents must be homozygous aa.

aa x aa

aa aa aa aa (all black offspring)

4 0

3 years ago

Which of these is the correct order through which oxygen enters the body?

meriva

The correct order that oxygen enters the body is definitely C.
Bronchi, then Lungs, bronchioles, alveoli, blood!

Good luck!!

3 0

3 years ago

How do i answer this? i don't understand it.

k0ka [10]

So the answer for (a) is basically the enzyme is breaking down the protein (which is the colored part) and this leaves the clear.

For the constants it would be the film and the temperature that the solution is at

For the final question, they could be improved by using more data and multiple trials

5 0

3 years ago

Which are the basic units of a DNA nucleotide?

ohaa [14]

Answer:

The basic repeating unit of nucleic acids are known as nucleotides. A nucleotide consists of three distinct chemical groups, a 5-carbon sugar (ribose or deoxyribose), a nitrogen-rich base - (cytosine (C), guanine (G), adenine (A), thymine (T) in DNA or uracil (U) instead of T (in RNA), and phosphate.

8 0

3 years ago

Read 2 more answers