Download Genetics Basics 3 - The Science Spot

What do you know
about the world of
genetics?
T. Trimpe 2008 http://sciencespot.net/
Use your knowledge of genetics to answer each question
1. What term refers to the actual genetic make-up of a trait?
Example: Yy or RR
2. What term refers to the gene that is NOT expressed when two
different genes for a trait are present in a gene pair?
3. If you are the parental generation, what term would refer to your
grandchildren?
4. What type of pollination occurs when pollen from the stamen on one
flower is transferred to the pistil on a flower on a different plant?
5. Identify each gene pair as purebred (P) or hybrid (H).
BB ______
Dd - ______
tt - _____
Use your knowledge of genetics to answer each question
1. What term refers to the actual genetic make-up of a trait?
Example: Yy or RR
Genotype
2. What term refers to the gene that is NOT expressed when two
different genes for a trait are present in a gene pair?
Recessive
3. If you are the parental generation, what term would refer to your
grandchildren?
F2 or Second filial generation
4. What type of pollination occurs when pollen from the stamen on one
flower is transferred to the pistil on a flower on a different plant?
Cross-pollination
5. Identify each gene pair as purebred (P) or hybrid (H).
P
BB ______
H
Dd - ______
P
tt - _____