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andrezito [222]
3 years ago
6

Which is most likely an effect of the evolution of a larger brain in humans​

Biology
1 answer:
Ilya [14]3 years ago
6 0

Brain can process and store lot of information. Large brains means large heads, which makes childbirth more difficult and painful for human mothers.

Explanation:

A larger brain provides better performance. human brain size increases rapidly.  Human brains are larger, more complex brains which enabled humans of this time period to interact with each other and with their surroundings in different ways.

The prefrontal cortex is slightly a larger part in the human brain. Humans have the largest cerebral cortex. It is a sheet of brain cells that folds itself multiple times in order to fit inside the skull. It enables us to process everything we see and hear and think.

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In a sample population of people, 36% have the recessive trait of "free" earlobes (q2). What is the frequency of the dominant al
ICE Princess25 [194]

Answer:

Explanation

Given that 36% are recessive in traits

100-36 = 64% for dominant traits considering a whole population to be 100%

P=dominant allele

q= recessive allele

P2= dominant genotype

q2= recessive genotype

according to hardyweinberg principle, p+q=1

64/100= 0.64 frequency for dominant traits or genotype, therefore

p2=0.64

then

P=√0.64

p= 0.8

Therefore, dominant allele frequency (p) for the population is 0.8

4 0
3 years ago
Which of the following is not a reason we become shorter as we age?
Lady_Fox [76]

Answer:

The correct answer is - As a person ages, scoliosis may develop resulting in an abnormal spinal curvature and shorter stature.

Explanation:

Scoliosis is a condition in which spine curvature towards the sides takes place before the puberty during growth period or spurt normally. The cause of this condition could be muscle dystrophy or palsy and similar condition.

This affects the stature of an individual but not affected by age as it remains constant normally after development or growth till puberty. All other conditions are associated with the short stature and influenced by the age.

3 0
2 years ago
How are growth and reproduction related
PolarNik [594]
Growth is needed for reproduction and reproduction is need for growth so you could say that they are dependent upon each other
7 0
3 years ago
The study of the interactions between living things and their environment is called_____. ecology ethology biology genetics
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<span>The study of the interactions between living things and their environment is called ecology.</span>
7 0
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Read 2 more answers
A fruit fly exposed to radiation grows an extra leg. Which of the following statements is true? A.)The fruit fly will pass on th
Irina-Kira [14]

Option C

This is an example of acquired mutation in which there is genetic transformation due to external factors such a change of temperature, pollution, radiation etc.


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