BIOLOGY HIGH SCHOOL

A student encounters a plant bearing small, purple flowers in the wild. The size of the flowers and the purple color are determined by two separate genes. The genes for both small size (S) and purple color (P) are dominant to large size (s) and white color (p), respectively. The student wants to determine the genotype of the newly isolated plant. Crossing to which of these plants would provide the most information in one generation? A. SSPP
B. SsPp
C. sspp
D. SSpp

Answers

Answer 1
Answer:

Answer:

C. sspp

Explanation:

  • Crossing a plant of an unknown genotype with the one that is homozygous recessive for that gene is useful for revealing the unknown genotype and this is known as a testcross.
  • The result of the test cross can reveal whether the organism's genotype.
  • If the offspring of the cross shows dominant phenotype then the parent must be homozygous dominant and if the offspring shows recessive phenotype then the parent must be heterozygous.
Answer 2
Answer:

Answer:

The answer is C.

Explanation:

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A new fossil is found, and scientists are debating whether it can be considered a part of the human genus Homo. What piece of evidence would best indicate that the fossil is human?large jaw bone for muscle attachment

pelvic blades rotated inward

very long arms

thick rib cage

Answers

The answer is large jaw bone for muscle attachment.

Pelvic blades are rotated inward anyway, so it is not the right answer. Very long arms are characteristic of many other animals, as well as a thick rib cage is. This leaves a large jaw bone for muscle attachment as the right answer. This trait is an adaptation to eating large quantities of food.

The correct answer is:

large jaw bone for muscle attachment.

Pelvic blades are rotated inward anyway, so it is not the right answer. Very long arms are characteristic of many other animals, as well as a thick rib cage is. This leaves a large jaw bone for muscle attachment as the right answer. This trait is an adaptation to eating large quantities of food.

Explanation:

By analyzing the fossil record we can tell how long life has remained on Earth, and how different plants and animals are compared to each other. The mandible, lower jaw or jawbone is the biggest, greatest and lowest bone in the human face. It affects the lower jaw and holds the lower teeth in place. The mandible sits below the maxilla. It is the only movable bone of the skull.

Humans and chimpanzees have very similar DNA. what does this say about these two species?

Answers

We are from the same gene species?

How is a universal genetic code similar to the hypothesis about the origin of life on Earth?

Answers

A "universal genetic code" is best interpreted as the organic molecular information system that is part of every and all living organisms, most fundamentally within DNA, but having additionally coded elements in other assemblies within the cell.

The complexity and detailed coding of DNA is greater than any existing in any human designed entity, making DNA the logical product of a highly intelligent creator, especially when combined with all of the other detailed elements of a living organism.

There are no naturalistic processes capable of producing anything similar. To prove this, imagine you walk outside and find your name spelled out with small stones in the driveway. You will immediately, absolutely know that some intelligent being spelled it. Now realize that the simplest known organism contains over 1 million coded organic molecules sequenced precisely to encode the proteins and other components within the cell.

As a result, the only rational, logical conclusion for the origin of life is through the utilization of a universal genetic code created by an intelligent designer.

A come,a seats 250 people. If 170 people are in the cinema, what percentage of the seats are filled?

Answers

Given that there are 250 seats in the cinema and they are 170 people sitting on the seats provided, in order to get the percentage we will first arrange the given details.

250 seats

170 seats filled

X = percentage

Take 170 / 250

So it will be 170 ● 100 = 17,000

Next, 17,000  250 = 68

So we will have 170 is the 68% of 250. Therefore, 68% of the seats in cinema are filled.

_______ is when forests are cut and the land is cleared for farming or other uses.Desertification
Deforestation
Urbanization
Suburban sprawl

Answers

Deforestation refers to the long term destruction of forests to make way for human settlement or industrial activity

Which region of the operon does the repressor bind to?

Answers

The type of enzyme that aresynthesized in an environment where an operon codes for enzymes that synthesizea protein from precursor amino acid molecules are the repressible enzymes. It bindsto the operator and blocks attachment of RNA polymerase to the promoter,preventing transcription of the genes.

Answer:

operator

Explanation:
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