DNA & Chromosomes
What does DNA stand for?
(Deoxyribonucleic Acid 🏆)
What is a gene?
(A section of DNA that codes for a trait 🏆)
What do we inherit from our parents that determines our traits?
(Genes 🏆)
What do genes make inside the body?
(Proteins 🏆)
True or False: Everyone has unique DNA except identical twins.
(True 🏆)
Where is DNA found inside the cell?
(In the nucleus 🏆)
What are different versions of a gene called?
(Alleles 🏆)
If both parents have blue eyes (bb), what eye color will their child have?
(Blue 🏆)
What is the function of proteins?
(They build and shape traits 🏆)
What makes identical twins identical?
(They have the exact same DNA 🏆)
How many chromosomes do humans have?
(46 🏆)
Which allele is stronger—dominant or recessive?
(Dominant 🏆)
What is a recessive allele?
(An allele that only shows up when two copies are present 🏆)
Why do some traits appear more often in a population?
(Because they are controlled by dominant alleles 🏆)
What percentage of DNA do humans share with bananas?
(About 60% 🏆) 🍌
What shape does DNA have?
(A double helix 🏆)
if you inherit one brown eye allele (B) and one blue eye allele (b), what color will your eyes be?
(Brown 🏆)
Why do siblings look different from each other?
(They inherit different combinations of alleles 🏆)
What would happen if a gene has an error or mutation?
(It might make the wrong protein or not work properly 🏆)
What percentage of DNA do humans share with each other?
(About 99.9% 🏆)
What are chromosomes made of?
(DNA 🏆)
If two parents are carriers of a recessive trait (Bb), what percentage of their child inheriting the recessive trait?
(25% 🏆)
What is an inherited trait?
(A trait passed from parents to offspring 🏆)
What are proteins made of?
(Amino acids 🏆)
What is the rarest eye color?
(Green 🏆)