1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kicyunya [14]
2 years ago
6

This is some barrier to reproduction among a species of organisms. It often results in genetic change over time and the developm

ent of new species.
Biology
2 answers:
Evgesh-ka [11]2 years ago
7 0

Answer:

reproductive isolation

Explanation:

usa test prep;)

Nataly [62]2 years ago
5 0

reproductive isolation

You might be interested in
In a human, only the β cells of the pancreas make insulin and only the chief cells of the stomach make pepsinogen (an inactive f
Tomtit [17]

Answer:

a. Only the DNA of β cells contains the gene for insulin; only the DNA of chief cells contains the gene for pepsinogen

Explanation:

As stated in the question above, insulin production is exclusive to β cells in the pancreas. This is because only these cells have a gene that manages the production and excretion of insulin within an organism. Similarly, only the main cells of the stomach have the capacity to produce pepsinogen, which indicates that the gene responsible for managing this production is unique to these cells.

4 0
3 years ago
What must occur within a gene pool before the formation of a new species?
VLD [36.1K]
Reproductive isolation must happen

6 0
3 years ago
Read 2 more answers
En el hombre el color negro de los ojos “A” domina sobre el color azul “a” Una pareja en la que el hombre tiene los ojos negros
umka21 [38]

Las respuestas a estas preguntas son:

a) Genotipo del padre Aa (ojos negros)

b) Cruzamiento: Aa (padre) x aa (madre)

c) Frecuencias genotípicas esperadas: 1/2 Aa; 1/2 aa  

En genética, dominancia completa se refiere al proceso  de herencia en la cual un individuo heterocigota, es decir, el individuo que presenta dos alelos diferentes para el mismo gen, presenta el mismo fenotipo que un individuo homo-cigota para el alelo dominante (el alelo dominante es aquel que enmascara la expresión del alelo recesivo en individuos heterocigotas).

En este caso, el carácter 'color de ojos' presenta un patrón de herencia monogénica, donde el alelo 'A' dominante codifica para el rasgo fenotípico ojos negros, mientras que el alelo 'a' recesivo codifica para el rasgo fenotípico ojos azules.  

En el ejemplo, la pareja tuvo progenie en la cual uno de los hijos presenta el rasgo recesivo ojos claros, con lo cual el padre debe ser heterocigota y poseer un alelo recesivo 'a'; mientras que la madre expresa el fenotipo recesivo y por lo tanto su genotipo es 'aa'. En consecuencia, el cruzamiento de un padre heterozigota 'Aa' con una madre homo-cigota recesivo 'aa' producirá una descendencia con una frecuencia genotípica esperada de 1/2 (50%) de hijos con ojos 'color negro' de genotipo Aa y 1/2 (50%) de hijos con ojos 'color celelste' de genotipo aa >>

Cruzamiento: Aa (padre) x aa (madre)

Gametos padre: 1/2 A; 1/2 a

Gametos madre: 100% a

Cuadro de Punett (combinaciones gaméticas):

                  A           a

a               Aa          aa

a               Aa          aa

En consecuencia,  este cruzamiento producirá 50% individuos ojos color negro (genotipo Aa) y 50% individuos con ojos color celelste (genotipo aa)

Podés encontrar más información sobre este tema en:

brainly.com/question/22398195?referrer=searchResults

7 0
2 years ago
Cells that can differentiate into any cell type in an organism are referred to as ______ cells.
yanalaym [24]
Organism are referred to as Pluripotent cells
3 0
2 years ago
Draw a flowchart to illustrate how a change in a nucleotide in a DNA strand leads to symptoms experienced by those with sickle c
Gekata [30.6K]

Answer:

Explanation:

The Flowchart is in the picture below. I hope it would be helpful for you.

7 0
2 years ago
Other questions:
  • If a mutation occurred in SODD that prohibited its interaction with the DD of TNF receptor, the TNF receptor would
    9·1 answer
  • Exponential growth tends to occur in populations that are found in __________ environments and have __________ population densit
    9·1 answer
  • Formaldehyde is used in the manufacture of:<br> medicine<br> Glass <br> acids<br> plastics
    13·1 answer
  • What is the primary function of chloroplasts?
    6·1 answer
  • The visual predation hypothesis proposes that:a) better vision allowed for better access to fruits and small insects b) primate
    7·1 answer
  • What happens after metaphase?
    12·2 answers
  • All fungi can be called as?​
    7·1 answer
  • what is A substance that is formed as the result of a chemical reaction and A starting material in a chemical reaction. any help
    11·1 answer
  • Why does cells divide instead of just grow larger?
    9·1 answer
  • Please help me with a and b
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!