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Varvara68 [4.7K]
2 years ago
9

Which of the following is an example of non Mendelian pattern of inheritance

Biology
2 answers:
diamong [38]2 years ago
6 0

Answer:

<h3>Genomic imprinting represents yet another example of non-Mendelian inheritance. Just as in conventional inheritance, genes for a given trait are passed down to progeny from both parents. However, these genes are epigenetically marked before transmission, altering their levels of expression.</h3>

OlgaM077 [116]2 years ago
3 0

Answer:

Just as in conventional inheritance, genes for a given trait are passed down to progeny from both parents.

Hope it help  

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The last time you saw the sisters pictured above, you considered how different protein molecules in their cells could lead to di
Andrew [12]

Answer:

recombination and independent segregation of chromosomes during meiosis  

Explanation:

Recombination and independent segregation of chromosomes represent the two most important meiotic mechanisms by which sisters from the same parents can inherit different gene variants and therefore look very different from each other:  

1- Independent assortment (segregation) of chromosomes: during meiosis, homologous chromosomes are randomly distributed in daughter cells (which will give rise to the gametes), and therefore separate independently of each other. It is for that reason that gametes have unique combinations of chromosomes, which increases genetic variation.

2- Recombination, also known as crossing over, refers to the exchange of chromosome segments between non-sister chromatids during meiosis. This mechanism is well-known to produce new gene variants (alleles) in the daughter cells. In consequence, recombination also increases the genetic variation of the resulting gametes that will produce offspring (in this case, different sisters).

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3 years ago
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2 years ago
Sharks, whales, and dolphins share similar features such as body shape and the position of fins. However, sharks have gills for
Iteru [2.4K]

Answer:

Part a:

Whales and sharks share a common ancestor for superficial characteristics

Part b:

The vestigial pelvic bone of whales and dolphins indicates that they descended from an ancestor that lived on land.

Explanation:

Part a:

Whales and sharks possess similar body shapes and fin positions not because of descent from a common ancestor but due to their shared aquatic habitat. Whales share more characteristics with humans than with sharks. This indicates close phylogenetic ties (ancestral similarities) between humans and whales whereas sharks and whales have evolved independently. If they shared a common ancestor, they would have similar anatomical characters as well.

Part b:

Vestigial Structure:

A vestigial structure is an anatomical characteristic that is believed to have served a specific function for an organism in the past but as the organism evolved, the structure lost its function.

Pelvic bones are required by animals to move their lower limbs to be able to walk on land.  Whales possess vestigial pelvic bones because they have evolved from an ancestor that lived on land.

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Answer:I believe it is A

Explanation:

A dwarf planet has enough mass to assume a nearly round shape, has not cleared the neighborhood around its orbit and is not a moon.

hoped this helped!

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Answer:

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Explanation:

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