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LUCKY_DIMON [66]
2 years ago
11

Pls help it’s due today at 1:00 pm

Biology
1 answer:
Softa [21]2 years ago
3 0

Answer:

The mutation is on chromosome/karyotype 8.

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Punnet squares can be used to depict crosses involving two factors also called
IrinaVladis [17]

Answer:

Dihybrid cross

Explanation:

The punnet square is often used to solve problems involving two factors which are known as a dihybrid cross.

  • Also, the punnet square is used for a single factor and this is known as a monohybrid cross.
  • They show all genotypes that can result from crosses.
  • A punnet square is used for statistically establishing the likelihood of a set of gene to form and dominate.
  • It is made up of a square boxes which holds the genotypes formed.
3 0
3 years ago
how would you use the scientific method to answer this question: do mice live longer when they are fed high-sugar diets
Zielflug [23.3K]

Answer:

The question: Do mice live longer when they are fed high sugar diets?

Hypothesis: There are two hypothesis the null hypothesis which we assume is correct, it states that a high sugar diet will have no effect on the life span of a mouse and an alternate hypothesis that we accept if evidence shows that sugar does increase the life span if mice. It says a high sugar diet does incerease the life span of mice.

Prediction: Assume that the null hypothesis is correct. High sugar diets will not increase the life span of the mice.

Collect data through experimentation. Use some mice as a 'control'. These mice will not undergo any changes but will be kept for comparison. Expose some other mice to high sugar diets and the compare the outcome with the 'control' mice.  

Analyzing: From the experiment this you can choose which hypothesis you are going to accept. I.e. null: no change or alternate: there was a change and do some extra research to back up your hypothesis.

Hope this helps :)

8 0
3 years ago
Meiosis is called reduction division. When does the reduction in chromosome number occur?
aniked [119]

The reduction in chromosome number occurs during <u>meiosis I.</u>

Chromosomes are long molecules of DNA that contain some or all of an organism's genetic material. In most chromosomes, very long, thin strands of DNA are coated with packaging proteins. In eukaryotic cells, the histones are the most important of these proteins.

Within the nucleus of all cells, DNA molecules are packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly wrapped many times around proteins called histones that support its structure.

Another type of cell division, meiosis, ensures that humans have the same number of chromosomes from generation to generation. This is a two-step process in which the number of chromosomes is halved from 46 to 23 to form sperm and eggs.

Learn more about chromosomes here:-brainly.com/question/11912112

#SPJ4

7 0
1 year ago
Hormones are chemical molecules produced by endocrine glands. One such endocrine gland is the thyroid gland, which synthesizes t
mixas84 [53]

Answer:

The right answer is 1 and 4

Explanation:

A hormone is a biologically active chemical substance, synthesized by a glandular cell secreted into the internal environment where it circulates, acting remotely and by blood on receptors specific to a target cell. It transmits a message in chemical form and therefore plays a role of messenger in the body.

The emitting organ thus acts at a distance on all of the target organs of the organism or of neighboring organisms of the same species, or even of symbiotic organisms whose receptors are activated in contact with specific hormones (lasting interactions).

6 0
2 years ago
Cytochalasin d of monomers at of existing filaments. when the concentration of g-actin in the cytosol is the critical concentrat
enyata [817]
Cytochalasin D prevents the addition of monomers at plus ends of existing filaments. When the concentration of G-actin in the cytosol is below the critical concentration, the loss of monomers at <span>minus ends</span> of existing filaments eventually results in their shortening. This occurs despite the pool of available G-actin in the cytosol.
7 0
3 years ago
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