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3 years ago

A scientist makes an image of all of a person's chromosomes. What

Biology

1 answer:

enot [183]3 years ago

4 0

Answer: The correct answer is karyotype.

Explanation: A karyotype is an image that helps in analysis to a person's chromosome.

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Phenylketonuria (PKU) is a disease that results from a recessive gene. Two normal parents produce a child with PKU. What is the

Alina [70]

Answer:

d. 1/2

Explanation:

According to this question, PKU (Phenylketonuria) is a recessive condition in humans. A normal human must possess at least a dominant allele in the gene.

In a situation where two normal parents produce a child with PKU. This means that both parents are heterozygous for the condition i.e Pp × Pp. Hence, the heterozygous male (Pp) will produce gametes in the following proportion: P (1/2) and p (1/2).

This means that the probability that a sperm from the father will contain the PKU allele (p) is 1/2 or 50%

4 0

3 years ago

A research team studies a large Eastern Milk Snake population in a metropark. In these snakes, gene T is one gene that affects t

sweet [91]

Answer:

Option E

Explanation:

As per Hardy Weinberg's second equation of equilibrium, the sum of genotype frequency for all possible genotype in a given population with two allele is equal to

$p^2 + q^ 2+2pq = 1\\$

Substituting the given values in above equation, we get -

$0.16 + 0.64 + 0.20 =1\\ p^2+q^2+2pq= 1$

Hence, second equation satisfies.

As per Hardy Weinberg's first equation of equilibrium, sum of all allele frequencies is equal to 1

$p + q=1\\\sqrt{0.16} +\sqrt{0.64} \\0.4+0.8 = 1.2\neq 1$

Hence, this population is not in Hardy weinberg's equation.

After one generation, the frequency of T allele is $0.4$ which is the same as that of frequency of T allele in previous generation

Also as per hardy Weinberg's theory , if a population genotype frequency sums up to 1, it is in equilibrium if its allele frequency sum is also 1.

But here in 2004. This was not the case.

However, Weinberg has stated that the population which is not in equilibrium can reach equilibrium after one generation only with a new set of genotype frequency and allele frequencies.

Hence, in this case there is a possibility that allele and genotype frequencies have readjusted to sum up to 1

If frequency of the T allele is $0.4$

New frequency of the t allele would be

$1- 0.4\\= 0.6$

and New genotype frequencies would be

$p^ 2 = 0.4^2 = 0.16\\q^ 2 = (1-0.4)^2 = 0.36\\2pq = 1-0.16-0.36 = 0.48$

Thus, $p^ 2+q^2+2pq = 1$

Hence, option E is correct

5 0

3 years ago

In<br> what ways are female and male reproductive system similar similar

Sphinxa [80]

They both release something to create a baby, they both have gonads meaning male has testicles and female has ovaries.Both develope similar eymbrotic tissue

3 0

3 years ago

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional

Alex17521 [72]

Answer:

The correct answer is - human and climate both depend on one other.

Explanation:

Climate helps humans in various ways such as providing a condition for agriculture, produce things. In response human activities destroying the Earth's atmosphere and climate.

Human activities resulting in climate change by increasing greenhouse gases which increase the temperature of the Earth. There are various activities like the burning of fossil fuels, pollution, which releases carbon dioxide gas into the atmosphere.

4 0

3 years ago

Which term names part of the peripheral nervous system?

mel-nik [20]

Spinal cord terms name the part of the nervous system
Fish

4 0

2 years ago