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andrezito [222]
3 years ago
13

Which statement is true regarding cancer?

Biology
1 answer:
Rashid [163]3 years ago
6 0

Answer:

The correct answers are option a. The greater the undifferentiated cell count, the more aggressive the cancer and b. Malignant tumors have the potential to kill the host.

Explanation:

Anaplasia is a medical term used to describe a condition of cells with poor cellular differentiation. It is known that the great the anaplasia, the more aggresive is the cancer. The tumors that have this characteristic are known as anaplastic carcinoma. This malignant tumors have the potential to kill the host  when they metastasize to other organs.

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A) What is the relationship between the number of genes and the chromosome size?
morpeh [17]

Answer:c

Explanation:

6 0
1 year ago
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Quién propuso el primer mecanismo de herencia a partir de la observación y la experimentación con plantas?
marusya05 [52]

Answer:

Gregor Mendel

Explanation:

Gregor Mendel fue un naturalista, biogista y matemático que demostró por primera vez los principios de la herencia utilizando su trabajo sobre las plantas de guisantes.

Publicó su trabajo en "Experiments in Plant Hybridization" en el año 1866. Al controlar la polinización, Mendel pudo cruzar plantas de guisantes con diferentes formas de rasgos. En el primer conjunto de experimentos de Mendel, experimentó con solo una característica a la vez. Los resultados de este conjunto de experimentos llevaron a la primera ley de herencia de Mendel llamada ley de segregación (Bio Libretexts).

7 0
3 years ago
“PKU” is an inherited disease caused by a recessive allele. If a woman and a man are both carriers, where P is the normal allele
user100 [1]

Answer:

Option A, 1/64

Explanation:

The genotype of a carrier female would be Pp

The genotype of a carrier male would be Pp

When these two adults are crossed , the following offspring are produced

Pp x Pp

PP, Pp, Pp, pp

Thus out of four children 3 children have normal phenotype but two are carrier.

So probability of having one normal  child (with genotype PP) is \frac{1}{4}

So the probability of  three normal children is

\frac{1}{4} *\frac{1}{4} *\frac{1}{4} \\= \frac{1}{64}

Hence, option A is correct

6 0
4 years ago
Describe primates. What specific physical features they have?
Musya8 [376]

Answer:

A primate is any member of the biological order Primates, the group that contains all the species commonly related to the lemurs, monkeys, and apes, with the latter category including humans. Primates are found all over the world. Non-human primates occur mostly in Central and South America, Africa, and southern Asia

Explanation:

A primate is any member of the biological order Primates, the group that contains all the species commonly related to the lemurs, monkeys, and apes, with the latter category including humans. Primates are found all over the world. Non-human primates occur mostly in Central and South America, Africa, and southern Asia

7 0
3 years ago
After eating a large meal, which branch of your nervous system is activated? after eating a large meal, which branch of your ner
Vanyuwa [196]

Parasympathetic nervous

Parasympathetic nervous system is known to be one of the two divisions of the autonomic nervous system and it is responsible for the stimulation of rest and digest activities that usually occur when the body is at rest after eating which includes salivation, urination, sexual arousal and digestion.

3 0
3 years ago
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