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Genetics
2nd Topic
9 cards·by emilymoyle
traitsheterozygousgenotypehomozygousallelephenotype
What is a genotype?
the code for the alleles you possess.
What is a phenotype?
How the trait looks.
What is the name of the process to make gametes?
Meiosis
What name is given to the process of cell replication?
Mitosis
What does DNA stand for?
Deoxyribonucleic Acid.
How many chromosomes are found in a normal human cell?
46. 23 pairs.
If 50% of your DNA is paternal and 50% is maternal, why is it possible to look more like one
biological parent?
It depends on weather the traits are dominant or recessive.
Why is prenatal testing beneficial? What is a setback of this testing?
Determine gender, see if the baby has down syndrome. Setback is if you don’t want to know or get a
false result.
Which parent is responsible for determining gender? Explain.
A mother can only pass on the X chromosome. If the father passes on the X chromosome a daughter
will be produced. If he passes on the Y chro