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ExtremeBDS [4]
3 years ago
11

An albino woman marries a phenotypically normal man with no family history of albinism. What percentage of their children are li

kely to be albino?
Biology
1 answer:
maw [93]3 years ago
7 0

Answer:

0%

Explanation:

This involves a single gene coding for melanin pigment in the skin. The recessive form of this gene (allele) is albinism while the dominant form is a normal skin. The question highlights that the normal male parent (dominant) has no family history of albinism, this means that nobody in their family has ever possessed albinism or has been a carrier/heterozygous for the trait. This is because a carrier/heterozygote will always produce the recessive trait (albinism) if crossed with another carrier or albino individual.

In a nutshell, the normal male parent is homozygous for the dominant trait. Hence, if a homozygous dominant male is crossed with an albino woman (homozygous recessive), all their offsprings will possess a heterozygous genotype and dominant phenotype. Meaning that none of their children will ba an albino.

Hence, the percentage of their child being an albino is 0.

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B-lymphocytes are categorized as part of the adaptive branch of the immune system for all of the following reason but one. Which
elixir [45]

Answer: B. They are a first line of defense that can begin killing pathogens immediately.

Explanation:

B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.

4 0
3 years ago
Why does the author compare self-deception to a drug in paragraph 6?
yulyashka [42]

Answer: B  to show that drugs and self-deception can cause someone to ignore reality.

<h3>Ignore reality</h3><h3 />

There are many ways to escape reality, drugs being one of them. Every addiction, that is, every excess, betrays the presence of something behind it and keeps it alive. What sustains the addiction? The fear of facing reality, its own and collective. You run away from reality because you feel unable to sustain it. Without upholding the vision of truth, it is not possible to transform what is not good. Many stop at this first stage:

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  • and escape to an inner fantasy world nourished by a drug, a habit or a belief...

For anything that allows them to remain protected from sight of the real perceived as horrendous. The flight from the facts is an indication of emotional weakness, as you cannot bear the emotion of seeing the tragedy, but it is also synonymous with mental weakness, as you cannot think and process it, the tragedy. Brain and heart flee from reality and, thus, the individual remains in a state of minority. It is for the adult, that is, for the mature person, to know how to deal with What It Is. Therefore, behind every addiction there is an infantile condition structured around beliefs, rationalizations and "beliefs".

with this, we can say that the author wanted to compare how drugs and self-delusion can make someone ignore reality.

learn more brainly.com/question/9567565?referrer=searchResults

5 0
2 years ago
A _____ _____ can be used to determine whether an organism with a dominant phenotype is homozygous dominant or heterozygous. *
Degger [83]
I believe it's a punnett square.
6 0
4 years ago
What is the difference between parasite and a saprotroph?
Triss [41]

The organism that grows on the body of another organism and derives nutrients from it is known as a parasite. The organism that obtains nutrients from the dead or decaying organic matter is called saprotroph.

3 0
3 years ago
Baby scorpions are born with fully developed bodies, each with many special parts such as a stinging tail.
Schach [20]

Answer:

cell differentiation

Explanation:

4 0
3 years ago
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