Genetics
The purpose of a punnett square is to show
all the possible outcomes from a cross between two parents
Genotype for a female:
Genotype for a male:
XX
XY
How quickly do animals develop adaptations
over a long time; generations
The nitrogen bases that is complementary to thyamine?
Adenine
Which organelle in the plant cell performs photosynthesis?
chloroplast
A white flower (rr) is crossed with a white flower (rr). What is the phenotype and % of the offspring?
100% white
I have 2 capital letters.
What is homozygous/pure OR dominant
________________ are any behavioral or structural characteristics of an organism that help it to survive in its environment.
adaptations
What does DNA stand for?
Deoxyribonucleic acid
What are the products of photosynthesis?
Glucose and Oxygen
A red flower (Rr) is crossed with a white flower (rr). What is the genotype and % of the offspring?
50% Rr; 50% rr
If a genotype is written with a capital letter and a lowercase letter.
What is heterozygous or hybrid
Adaptations can be either ______________ or _______________.
physical/structural; behavioral
Which of the nitrogen bases are purines?
adenine and guanine
What word describes a DNA molecule?
polymer
A Jawa notices that his beloved pet desert rat, who has brown fur, just had several rat babies, some of which had white fur and some which had brown fur. Brown fur is the dominant trait. This means his rat must have what genotype?
Heterozygous/Hybrid/Br
A change in the DNA of an organism
mutation
Animals ________________ when they change their color or pattern to blend in with the environment. This outward coloration helps animals blend in with the plants and surroundings.
camouflage
The structure of the DNA molecule is called ___________.
a double helix
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
thymine
What phenotype would result from crossing a homozygous dominant purple-flowered pea plant with a white-flowered pea plant?
Purple
If a heterozygous brown-eyed individual is crossed with a blue-eyed individual, what is the probability of their offspring having blue eyes?
50%
_____________ is an inactive period of time for an animal during an extremely cold season.
Hibernation
What is another name for a monomer?
Nucleotide
A change in an organism's surroundings that causes it to react is called
stimulus