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Shkiper50 [21]
3 years ago
7

What does a half circle on a pedigree chart repersent

Biology
1 answer:
BabaBlast [244]3 years ago
6 0

Answer: A half-shaded circle represents that a person is a carrier of the trait.

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Which property of water is most responsible
Hoochie [10]

Answer:

The correct option is<u> B.adhesion</u>

Explanation:

A molecule of water is made up of a hydrogen atom and two oxygen atoms. The water is a polar molecule; hydrogen ions carrying a positive charge and oxygen atoms carrying negative charge. The negatively charged oxygen atom of one molecule will attract the positively charged hydrogen atom of another water molecule. Hence, developing the forces of adhesion or hydrogen bonds. This forces of adhesion pull the water upwards when water is lost by leaves through transpiration.

5 0
3 years ago
En un cruce entre peces naranjas y peces grises se obtiene una generación (f1) de 50% peces grises . Realice el cruce y explique
Ilya [14]

Answer:

Uno de los progenitores es heterocigoto para color naranja (Nn) y el otro parental es homocigoto recesivo para gris (nn). Al haber una cruza entre un homocigoto recesivo y un heterocigoto, la 50% de la progenie expresa color naranja (Nn), mientras que el otro 50% expresa color gris (nn).

Explanation:

<u>Datos disponibles:</u>

  • Cruce entre peces naranjas y peces grises
  • 50% de la F1 son peces grises
  • Naranja dominante sobre gris

Podemos nombrar el alelo dominante para color naranja <em>N</em>, y al alelo recesivo  para color gris <em>n</em>.

Para que en un cruce entre dos fenotipos distintos, el 50% de la primer camada exprese uno de estos fenotipos, entonces uno de los parentales debe ser heterocigoto, mientras que el otro parental debe ser homocigoto recesivo. De esta forma 50% de la primera generación expresara uno de los fenotipos, mientras que el otro 50% expresará el otro fenotipo.

Supongamos que uno de los parentales lleva el genotipo <em>Nn</em>, y el otro parental es <em>nn</em>.

Cruce:

Parental)      Nn    x     nn

Gametas)   N    n       n    n

Fenotipos) Naranja     Gris

Cuadro de Punnett)      N           n

                            n       Nn         nn

                            n       Nn         nn

F1)  2/4 = 1/2 = 50% de la progenie tendrá genotipo heterocigoto, Nn

     2/4 = 1/2 = 50% de la progenie tendrá genotipo homocigota recesivo,    

     nn

     50% de la progenie será color naranja (Nn)

     50% de la progenie será color gris (nn)

               

3 0
3 years ago
Select the correct answer.
andrew-mc [135]

Answer:

precipitation is when it rains. it occurs last

Explanation:

7 0
3 years ago
Read 2 more answers
Which is an example of an object with kinetic energy?
Ulleksa [173]
A Muscle Flexing seems like the correct answer, but i cannot be 100% sure. Please tell me if i was right, thanks!
8 0
3 years ago
Read 2 more answers
What’s this answer ???
Sauron [17]

Answer:

heterozygous

Explanation:

             R             r

         _____________

R         RR            Rr

r          Rr              rr

Hope this helps!!

6 0
3 years ago
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