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Radda [10]
2 years ago
7

Hemophilia is an X-linked recessive disorder. What is the probability of having hemophilia for the cross that is shown in the Pu

nnett square? 0 percent 25 percent 50 percent 75 percent
Biology
1 answer:
Pie2 years ago
8 0
  1. Probability of having haemophilia for the cross having genes HH and hh is 0 percent.
  2. Probability of having  haemophilia for the cross having genes Hh and hh is 50 percent.
  3. Probability of having  haemophilia for the cross having genes Hh and Hh is 25 percent.
  4. Probability of having  haemophilia for the cross having genes hh and hh is 100 percent.
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List the two stages in photosynthesis<br> a.____________ b.____________
tekilochka [14]
Its <span> light-dependent reactions and the Calvin cycle.

hope this helps you</span>
4 0
3 years ago
Describe how humans’ way of life has changed. Begin with hunter-gatherers and end with life after the Industrial Revolution.
iragen [17]

Answer:

Ever since the existence of life of humans on Earth, the humans have been making progress to understand themselves and the mother nature.

In the start, the humans were hunter- gatherers. Hunter- gatherers can be described as humans which use wild life plants and animals for food. The humans used to live in jungles and eat the wild- life plants and animals. They used leaves from the trees to cover their bodies. Heat was produced by rubbing the rocks.

After this time, the humans learned the techniques of cultivating plants for food. They started cultivating crops and depend on them for living. During this time, humans learned the art of farming and agriculture. But they couldn't understand the effects of various pathogens infecting the crops and humans at that time.

After this time, humans learned the art of preserving foods in different forms like pickles etc. They also learned that certain types of plants could be used to treat wounds and other diseases.

With the passage of time, people learned to make and use machinery for making their tasks easier. The usage of machinery progressed rapidly and the industrial revolution began. People became more diverted to this sector rather than farming. They started to move towards the cities to find better jobs in industries.

Life after industrial revolution was much easier as humans had made a lot of equipments which aid them to have a better life style. Science has been developing since that time day by day.

Explanation:

4 0
3 years ago
During chest examination in a healthy client, the apn percusses and hears a low-pitched sound over the lungs. which sound should
RoseWind [281]
The answer to this question would be Ronchi.

Ronchi is low-pitch sound from lungs that might be caused when there are liquid inside the alveolus. That is why the sound might be disappeared after the patient coughing as it can remove the liquid. Ronchi is common is pneumonia/lung infection patient.
Others lung sound with high-pitch would be called wheezing, which common in asthma.
8 0
3 years ago
If adenine didn’t always pair with thymine and guanine didn’t always pair with cytosine, the new DNA ladders wouldn’t always be
zloy xaker [14]

Answer:

they wouldnt be identical because for example Guanine could be paired with thymine in the original DNA strand but could decide to pair with adenine in the replication DNA. that would make a different type of DNA.

Explanation:

DNA replication is a beautiful process. In DNA replication adenine only pairs with thymine and guanine only pairs with cytosine. this ensures that a replication of the DNA will be the same type of DNA.

Replication works like this. Helicase splits open the DNA and each side is copied by DNA polymerase. If let's say the nucleotide bases for side 1 are ATGCGA then the DNA polymerase will pair these with the matching bases TACGCT which will make the same DNA but if each base could pair with any base they want that could create a few different variations of the original DNA. ATGCGA could very well be paired with TCGACA or CGACTA which would created two different types of DNA.

3 0
2 years ago
Describe passive transport using the words concentration and concentration gradient
dsp73
Passive transport<span> is a movement of </span>biochemicals<span> and other </span>atomic<span> or </span>molecular<span> substances across </span>cell membranes through <span>concentration gradients</span><span> without need of </span>energy<span> input. Unlike </span>active transport<span>, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in </span>entropy<span>. The rate of passive transport depends on the </span>permeability<span> of the cell membrane, which, in turn, depends on the organization and characteristics of the membrane </span>lipids<span> and </span>proteins<span>. The four main kinds of passive transport are simple </span>diffusion<span>, </span>facilitated diffusion<span>, </span>filtration<span>, and </span>osmosis.
3 0
2 years ago
Read 2 more answers
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