BIOLOGY COLLEGE

In a population, there are 500 cats. What is the frequency of black cats if 300 are calico?

Answers

Answer 1

Answer:

Answer:

2 out of every 5 or 2/5

Explanation:

there are 200 black cats because there are 300 calico there are 500 total so it would be 200/500 or 2/5

Related Questions

Plants use carbohydrates to build things such as cellulose. How do plants acquire these building blocks to build mass?a. They absorb carbohydrates through the soil.b. They absorb dissolved carbohydrates via water.c. They make carbohydrates through the process of photosynthesis.d. They make carbohydrates through the process of cellular respiration.
during dna replication a complementary strand of dna is made for each original dna strand thus, if a portion of the original strand is CCTAGCT then the new strand is ___
Fermentation has a relatively low ATP yield compared to aerobic respiration because a. more reducing equivalents are used for anaerobic catabolism. b. less ATP is consumed during the first stage of aerobic catabolism. c. oxidative phosphorylation yields a lot of ATP. d. substrate-level phosphorylation yields a lot of ATP.
Which atmospheric gas helpskeep the sun's energy in our atmosphere and is also an important greenhouse gas that has been slowly increasing due to human activities? A. carbon dioxide B. argon C. oxygen D. nitrogen
Which statements accurately describe the structure of the cell membrane? Check all that apply. The cell membrane is a single layer of phosphate molecules and lipids. The cell membrane is a double layer of phosphate molecules and lipids. The cell membrane has protein channels that are partly inside and partly outside the cell. The cell membrane has protein channels that are entirely inside the cell. The cell membrane’s protein channels only let certain molecules pass through. The cell membrane’s protein channels let all molecules pass through.

Do most people want to have a low infant mortality rate or high infant mortality rate?

Answers

Answer:

definitely low infant mortality rate

Explanation:

what process occurs when a single flower self-pollinates by a male cell and female cell coming together to form a seed?

Answers

it is
sexual reproduction

it becomes more and more reproduction and that when the male cell matches up with the female cell and then it becomes another egg

Starch is the stored carbohydrate in plants, while ________ is the stored carbohydrate in animals.

Answers

Answer:

Glycogen.

Explanation:

Carbohydrates are the one of the most important bio molecules present in the living organisms. The carbohydrates are the polymers of the sugars that are linked through the glycosidic bonds.

The carbohydrate is stored in the form of starch in plants. The animals carbohydrates is stored in the form of glycogen. The sugars units are linked through the alpha glycosidic bonds with both the linear and branched chain structure.

Thus, the answer is glycogen.

The stored carbohydrate in animals is Glycogen.

In humans there is a dominant allele (A) for the absence of moles; while the recessive allele (a) results in the presence of moles. A couple who are both heterozygous for this locus (Aa) plan to have seven children. a. Expand the binomial (p + q)7.
b. What is the probability that:
(i) The first child that is born will not have moles.
(ii) All of the children will have moles.
(iii) The first two children will have no moles and the last five will have moles.
(iv) Of the 7 children, 4 will have no moles and 3 will have moles
c. Assume this couple now have two children, one with moles and one without moles. What is the probability that the child born without moles is a carrier of the a-allele (ie heterozygous)?

Answers

Answer:

a. $(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

b. i. 0.75

ii. 0.000061

iii. 0.012

iv. 0.17

c. 0.67

Explanation:

a. The expansion of the binomial (p + q)7 would be such that:

$(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

b. Both couples are heterozygous:

Aa x Aa

AA Aa Aa aa

Since A is dominant over a,

probability of having mole (aa) = 1/4

probability of not having moles = 3/4

Therefore, the probability of the first child not having moles = 3/4 or 0.75

ii. Let the probability of not having mole = p and the probability of having mole = q. From the binomial expansion:

$(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

Probability that all of the children will have moles = $p^0q^7$

since p = 3/4 and q = 1/4

$p^0q^7$ = $(3/4)^0(1/4)^7$ = 0.000061

iii.Probability that the first two children will have no moles and the last five will have moles = $21p^2q5$

= $21(3/4)^2(1/4)^5$

= 0.012

iv. Probability that 4 will have no moles and 3 will have moles out of the 7 children = $35p^4q^3$

= $35(3/4)^4(1/4)^3$

= 0.17

c. Probability that the child born without moles is a carrier of the a-allele = probability of heterozygous.

From the cross in (b), the genotypes of those born without moles are AA and 2Aa. Therefore, the probability of not having moles and be Aa is:

= 2/3 or 0.67

What was the most challenging activity why

Answers

Answer:

Bull Riding

Explanation:

People in this are die-hard tough power, dedicating their lives to taming a 1600-1700 pound bull.

In my opinion The most challenging activity is the creativity because every person creates new and unique items and every person has a creative inspiration deeply inside himself.

When natural waters become overloaded with plant nutrients, such as nitrates and phosphates, they become _______________.

Answers

Answer:

Eutrophic.

Explanation:

Eutrophication is defined as the when natural water becomes overly enriched with nitrates and phosphates containing fertilizers, and detergents which induced excessive amount of algae in water. The process of eutrophication may result in water body oxygen depletion.

Example of eutrophication are algal bloom, and great increase of phytoplankton population which increased levels of nutrients in water body.

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