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lisabon 2012 [21]
3 years ago
12

I need help on this elmayo

Biology
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

what

Explanation:

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2. Suppose that you and 19 of your classmates (giving a final population of 10 males and 10 females) are on a cruise, and your s
Trava [24]

Answer:

0.25%

Explanation:

20 people start the new population. So there are 20 genes or 40 alleles for the recessive disorder phenylketonuria. 2 out of 40 alleles are recessive for the condition hence frequency of the allele = 2/40 = 0.05

Frequency of the allele does not change when the population increases so it is in Hardy-Weinberg equilibrium. According to it, if q is the frequency of recessive allele, q² = frequency of the recessive condition

Here, q = 0.05 So,

q² = (0.05)² = 0.0025

In percentage, it is 100 * 0.0025 = 0.25%

Hence, incidence of phenylketonuria in the new population is 0.25%

3 0
3 years ago
Why would competition be considered a limiting factor within a ecosystem
raketka [301]

Answer

The main reason being the amount of food available.

Explanation:

Think of it this way:

If an animal is trying to find food but another species is looking for the same prey then its going to be increasingly difficult for the species to find prey and if there's not enough of the prey species then the population of the predator to go down.

That is why its considered a limiting factor.

4 0
3 years ago
(2pts) While doing this experiment, it will be important to keep everything on ice. Why is it important to keep everything cold?
mart [117]

Answer:

Temperature is an essential aspect in any experiment as it can affect the various variables of the experiment. It can affect the result and outcomes of an experiment as per the interaction various molecules shows with the temperature.

In molecular biology related experiments that deals with the protein related experiments are also effected by the temperature as enzymatic reactions are slow on low temperature and proteins are also act like enzymes. On high temperature protein may lead to increase in collisions of the molecules of protein and fasten the enzymatic reaction and may lead to degrade the protein.

3 0
3 years ago
Which of the following are major influences on weather and climate?
ycow [4]

Answer: B

Explanation:

6 0
3 years ago
Read 2 more answers
People with achondroplastic dwarfism are heterozygous for a dominant allele conferring this trait. The homozygous dominant condi
Natali5045456 [20]
The allele for dwarfism - D its dominant
Recessive allele -d
If the person has heterozygous alleles -Dd the person will have achrondroplastic dwarfism
However if the person if homozygous for the allele DD it’s Lethal and person can’t survive
If both parents are Dd
Dd X. Dd
Offspring DD Dd Dd dd
Probability of children who survive with the trait have the genotype Dd
Probability - 1/4 + 1/4
Probability of having surviving children with the trait -1/2 -0.5
7 0
3 years ago
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