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Ghella [55]
3 years ago
14

A man with free earlobes marries a women with attached earlobes. Of their four children, one has free earlobes and three have at

tached a earlobes. What are the genotype of the parents and children?
Biology
1 answer:
Korolek [52]3 years ago
5 0
Lets say A = attached an F = Free
Father - rr
Mother - Rr
Free Child - rr
Attached Children - Rr
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Use this information to answer questions 6 - 11. Your original population of
grigory [225]

Answer:

1. How did the tidal wave  affect the predicted frequencies of the alleles in the population?

No changes

2. What is the frequency of the recessive allele?

q= 0.6

Explanation:

If we assume that all individuals were equally likely to be wiped out, that means the frequency/ratio of the gene and genotype of the population will not change. The tidal wave killing 100 out of 200, so it simply makes the population become half of it used to be.  

If the population at equilibrium, we can use the Hardy-Weinberg formula to find out the expected frequency of the dominant and recessive alleles. There are 36 homozygous recessives out of 100, so the frequency of the recessive allele will be:

q^2 = 36/100

q= √36/100= 6/10= 0.6

8 0
3 years ago
Múltiple organisms can be called by the same common name ?
Sedaia [141]

Answer:

Yes, multiple organisms can be called by the same common name...

Explanation:

Sometimes different species share the same common name. Other times one organism will have multiple common names. For example, the fish-like organism in our Children's Garden is known as an axolotl, the Mexican salamander, or the Mexican walking fish! Using a genus and a species allows scientists to be very specific.

Hope this helps

4 0
3 years ago
A car is moving at a speed of 50 km/hour. The driver takes her foot off of the accelerator and the car coasts to a stop. Why
Andru [333]
Without an external energy source, friction stops the car..
4 0
4 years ago
Please help I need it done asap!
Thepotemich [5.8K]

Answer:

yes

Explanation:

right

6 0
3 years ago
The vast majority of fat digestion and absorption occurs in the
Vesnalui [34]

The correct answer is: c. small intestine

The digestion of fat mostly occurs in the small intestine, but it can sometimes begin in mouth where lingual lipase breaks down some lipids. Before absorption, fats have to be emulsified (broken down to small droplets) and it is done thanks to pancreatic lipase from the pancreas and bile from the liver. Monoglycerides and fatty acids associate and form micelles (together with bile salts and phospholipids, vitamins and cholesterol). Micelles are necessary for the transport to the enterocyte, but only freely dissolved monoglycerides and fatty acids can be absorbed.  

6 0
4 years ago
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