Which of Mendel's generations was allowed to self-pollinate

Answers

Answer 1
Answer: the second generation was the one that was allowed to self pollinate 

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brucella suis and salmonella typhi can commonly infect the spleen, liver, and bone marrow. which of the following reasons allows these two organisms to cause a systemic infection

A dog called the Maltese doesn't shed. This type of dog most likely came about through _____. hybridization genetic engineering recombinant DNA cloning

Answers

Answer:

The correct answer would be hybridization.

Hybridization refers to the process by which organisms of different breed, species, or varieties are selectively interbred in order to produce offspring with desired characters.

Similarly, Maltese dogs were selectively bred in order to attain characters like the small size, less shedding of hairs et cetera.

Answer:

Explanation:

Genetic Engineering

Organisms are classified as fungi if they

Answers

Organisms are classified as fungi if they have chitin in their cell walls.

Fungi are eukaryotic organisms (such as yeasts and molds) that usually have chitins in their cell walls but no chlorophyll or plastids. Fungi may be unicellular or multicellular. Fungi do not photosynthesize but they are heterotrophs like animals. They get their food by absorbing dissolved substances and they usually reproduce by means of spores.


Which of the following statements is true? Tsunamis are caused by seismic waves. Earthquakes create mountain chains. Erosion is always a destructive force. A gradual cooling of the interior of a volcano causes volcanic eruptions.

Answers

Erosion is always a destructive force. Tsunamis are NOT always caused by seismic waves; they may also be caused by landslides.
Tsunamis are caused by seismic waves.

Red-green color blindness is due to an X-linked recessive allele in humans. A widow�s peak (a hairline that comes to a peak in the middle of the forehead) is due to an autosomal dominant allele.Consider the following family history:
A man with a widow�s peak and normal color vision marries a color-blind woman with a straight hairline.
The man�s father had a straight hairline, as did both of the woman�s parents.
Use the family history to make predictions about the couple�s children.
Drag the correct label to the appropriate location in the table. Not all labels will be used.
What is the chance that any daughter the couple has will be color blind with a straight hairline?

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What is the chance that any son that the couple has will be color blind with a widow's peak?

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If the couple has a child, what is the chance that it will be a daughter with a widow's peak?

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Suppose the couple had a daughter with normal color vision and a widow's peak. What is the chance that she is homozygous for both genes?

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0

1/2

3/4

1

1/4

Answers

Based on the exercise data we know that the couple genotype for red-green color blindness is:

(XY     x     X'X')

     X'        X'

X    X'X      X'X

Y   X'Y      X'Y

And the genotypes for widow's peak are:

  (Aa   x  aa)

     a      a

A   Aa   Aa

a    aa    aa

1) What is the chance that any daughter the couple has will be color blind with a straight hairline?

Zero

2) What is the chance that any son that the couple has will be color blind with a widow's peak?

1/4

3) If the couple has a child, what is the chance that it will be a daughter with a widow's peak?

1/4

4) Suppose the couple had a daughter with normal color vision and a widow's peak. What is the chance that she is homozygous for both genes?

Zero

24. Bipolar cells are located in the A) optic nerve. B) retina. C) blind spot. D) lens. E) cochlea.

Answers

Answer: B retina

Explanation:

Bipolar cells connect the inner and outer retina. They transfer information to ganglion cells.

What does evaporation change from ? Solid ———> liquid Liquid ———-> Solid What does condensation change from Liquid——-> solid Solid———> liquid

Answers

Answer:

Evaporation : Liquid --- Gas (Vapor) ; Condensation : Gas (Vapor) --- Liquid

Explanation:

Evaporation is the change of a liquid into gas or vapor, usually by increase in temperature. Eg : Water evaporation into vapors during water cycle, due to sun heat.

Condensation is the change of gas or vapor into liquid, usually by decrease in temperature. Eg : Vapors condensation into water droplets during water cycle, due to lower atmospheric temperature at higher height.