<span>Human cells contain 23 chromosomes and has a total of 46
pairs of chromosomes. The answer is letter A. Depending on the length and
morphology, it has seven groups. They are arranged from largest to smallest. It
has 22 pairs of homologus chromosomes known as autosomes and 1 pair of sex chromosomes,
a total of 23 chromosomes. A male karyotype has a total of 46 chromosomes and
gives a pair of XY while a female karyotype has a total of 46 chromosomes and
gives a pair of XX. These pairing are responsible to the gender of the
offspring.</span>
<span>The answer to your question is the mitochondria. </span>
Answer:
B. Scientist built on the previous work of other scientist to make new discoveries.
Explanation:
in spanish
B. El científico se basó en el trabajo previo de otro científico para hacer nuevos descubrimientos.