SneeryEmperor51 SneeryEmperor51

20-05-2020
Biology

contestada

In people sickle cell disease is expressed codominantly. When an individual is heterozygous they have both normal and sickled cells, but has only sickled cells when they have only recessive alleles. What is the phenotypic ratio of offspring with two heterozygous parents?

A. 1 all round cells : 1 mixed round and sickled cells : 0 all sickled cells
B. 1 all round cells : 2 mixed round and sickled cells : 1 all sickled cells
C. 1 all round cells : 0 mixed round and sickled cells : 1 all sickled cells
D. 3 all round cells : 0 mixed round and sickled cells : 1 all sickled cells

Respuesta :

thatanimechick17 thatanimechick17

20-05-2020

Answer:

B.

Explanation:

When you solve this answer using a punnet square, you start with Ss and Ss.

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kekebeegs kekebeegs

20-05-2020

Answer:

the answer is b

Explanation:

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