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OLga [1]
3 years ago
6

The case of little albert is used by behaviorists to explain ____.

Biology
1 answer:
ASHA 777 [7]3 years ago
5 0
The answer is D. phobias. The little Albert experiment demonstrated that emotional responses can be conditioned in human beings. The 9 months boy was exposed to different stimuli which included a rabbit, masks, a white rat, burning newspapers and a monkey. After some time he was exposed to the white rat and later a loud noise of metal was made and it scared the boy. This exposure was repeated and eventually the boy became afraid of white furry things including animals.
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______are responsible for the structures and functions of organisms
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Answer: Proteins

Explanation:

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A student in a biology class crossed a male Drosophila melanogaster having a gray body and long wings with a female D. melanogas
natulia [17]

Answer:

Answer is D "Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci"

Explanation:

Traits are distinguishing characteristics of an organism. The Phenotypic crossing of the Drosophila melanogaster specie with Gray body and long wings over that of the same specie but female with black body and apterous wings produced a total of 100 offspring, which showed a that genetic crossing were done on the closely related chromosomes of the body traits for the individual species.

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How many daughter cells result from a parent cell in meiosis?
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Answer:4 haploid daughter cells

Explanation:

Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction. During reproduction, when the sperm and egg unite to form a single cell, the number of chromosomes is restored in the offspring.

Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome. The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.

4 0
3 years ago
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10. If there are very few differences in the DNA of two different species, what can we infer about their relationship? For examp
Burka [1]

Answer:

Chimpanzees.

Explanation:

DNA sequence similarity is helpful to determine the evolutionary relationship between the organisms. The evolutionary tree can easily be constructed if the percentage of the DNA sequence similarity is known.

The human shows 98.8% sequence similarity with chimpanzee. The sequence similarity between human and gorilla DNA is 98.4%. This means Chimpanzee are more closely related to humans than gorillas.

Thus, the answer is chimpanzee.

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3 years ago
A _____ is a section of a chromosome that codes for a trait. The specific combination of alleles an organism has is called its _
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Answer:

A gene is a section of a chromosome that codes for  trait.The specific combination of alleles an organism has is called its genotype which affects the organisms features.

Explanation:

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