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gladu [14]
3 years ago
14

A carrier (heterozygous) marries a pure normal skinned person, what is the probability they will have a child that is albino?

Biology
1 answer:
Morgarella [4.7K]3 years ago
4 0

Answer:

b

Explanation:

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Chromosomes exchange genetic material in step 3.

<h3><u>Explanation</u>:</h3>

The meiosis is the type of cell division that takes place for gametogenesis. The meiosis has two phases - meiosis I and meiosis II.

The meiosis I has the events like crossing over and independent assortment which leads to the mixing of genes between homologous chromosome pairs and separation of homologous chromosome pairs. So the two cells that are produced from the meiosis I are genetically different. The step 3 shows the crossing over of prophase 1 of meiosis I. So, it shows the genetic difference between the offsprings and leads to genetic variation.

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3 years ago
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What is the basis for the delay between the atrial and ventricular contractions in a normal heart?
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The main responsible for the delay among the atrial and ventricular contractions is the action potential conduction velocity of the AV node cells. If the atria and ventricles contract simultaneously, atria cannot give any help in filling the ventricles, which is needed, especially in those with stiff ventricles as in the elderly. Hence atria have to contract first and then the ventricles.

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3 years ago
What helps water and minerals move from the roots of a plant to the leaf of a plant? A. the tall thin cells of a leaf B. the tin
goldenfox [79]

Answer:

A or C

Explanation:

Xylem consists of several different types of <u>cells</u>: fibers for support, parenchyma for storage, and tracheary elements for the transport of water. The tracheary elements are arranged as<u> long tubes through which columns of water are raised</u>. In a tree trunk, the innermost part of the wood is dead but structurally strong xylem, while the outer part consists of living xylem, and beyond it, layers of cambium and phloem.

5 0
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Mitosis produces A. four cells, each with
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When a cell divides by way of mitosis, it produces two clones of itself, each with the same number of chromosomes. When a cell divides by way of meiosis, it produces four cells, called gametes. Gametes are more commonly called sperm in males and eggs in females.
6 0
2 years ago
A bacterial genome is typically a single linear piece of DNA. multiple linear pieces of DNA. a linear RNA molecule. a single cir
Schach [20]

Answer:

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Explanation:

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I hope this answer helps.

6 0
3 years ago
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