3 years ago

What led to the development of body systems?

1 answer:

8 0

In comparison to the embryo, the fetus has more recognizable external features and a more complete set of developing organs. The entire process of embryonic development involves coordinated spatial and temporal changes in gene expression, cell growth and cellular differentiation.

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3 years ago

Humans may have Rh blood or Rh- blood. A person who is Rh (R) has a certain type of protein on the red blood cells. A person who

lbvjy [14]

Answer:

- Rh, normal insulin

- Rh, no insulin

- Rh-, normal insulin

- Rh-, no insulin.

Explanation:

This question involves two genes; one coding for Rhesus factor and insulin product. The allele for Rh blood and normal insulin dominates that of Rh- and no insulin.

According to this question, if both parents are heterozygous for both Rh and normal insulin production and cross, i.e. RrIi × RrIi, the following phenotype of offsprings will be produced (see punnet square):

- Rh, normal insulin (R_I_)

- Rh, no insulin (R_ii)

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- Rh-, no insulin (rrii)

7 0

3 years ago

What led to the development of body systems?​

What led to the development of body systems?