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Lisa [10]
3 years ago
15

HELP THSI IS 100 POINTS

Biology
1 answer:
tankabanditka [31]3 years ago
8 0

Answer:

The ball

Explanation:

because it is the variable that is altered/used during this scientific experiment. It would not be the ramp or distance because the ramp is what's being tested or measured (dependent variable) and the distance is what stays the same (controlled variable).

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When Gregor Mendel conducted his genetic experiments with pea plants, he observed that a trait’s inheritance pattern was the sam
77julia77 [94]

Answer:

Explanation:

In Morgan reciprocal crossing

The result of crossing homozygous red-eyed female with a white-eyed male produced offspring with red eyes.

When homozygous white-eyed female was crossed with a red-eyed male, it produced red eyes females

and white eyes males.

6 0
3 years ago
What are two ways that crossing over contributes to genetic variation​
Lisa [10]
Crossing over, or recombination, is the exchange of chromosome segments between nonsister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.
6 0
4 years ago
Although the hypothalamus plays a key role in body temperature regulation, there are two types of thermoreceptors elsewhere in t
OleMash [197]
<span>Peripheral thermoreceptors and central thermoreceptors</span>
8 0
3 years ago
Which activity seems to be the most important health habit in old age?
trasher [3.6K]

The correct answer is calorie restriction.

Energy restriction or calorie restriction refers to a dietary routine, which minimizes the intake of calorie without undergoing malnutrition or a reduction in essential nutrients. The generally consumed components of food comprising calories are proteins, carbohydrates, and fats.

In various species, calorie restriction in the absence of malnutrition may slow down the process of biological aging, leading to the longer sustenance of health and an enhancement in both maximum and median lifespan.

3 0
4 years ago
Prosecutors are showing DNA evidence to a courtroom. They present an enlarged picture of an electrophoretic gel that contains ba
blagie [28]

Answer:

DNA profile.

Explanation:

DNA fingerprinting may be defined as a technique  used to determine the individuality of the individual basis on the unique DNA sequences. DNA fingerprinting is used to find the criminals.

The agarose gel electrophoresis is used to visualize the DNA sequences of the individual. The short tandem repeats are involved in identifying the unique sequences. The picture contains STRs in a suspect's DNA and STRs in the perpetrator's DNA. The picture shows the DNA profile of the perpetrator and suspect.

Thus, the answer is DNA profile.

6 0
3 years ago
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