Question | Answer |
Sweating, which helps cool the body by evaporating, or goose bumps and shivering when you are cold are examples of maintaining _______________ in the body. | homeostasis |
An animal’s ____________, such as a wood pecker’s long beak, are changes to the structure or behavior that allow them to survive in their environments. | adaptations |
What type of adaptions do desert animals have to survive? | A. Long appendages (legs, ears, etc.), or small "bodies" to aid in cooling
B. They are active at night.
C. Pale colors to take in less heat and blend in. |
How does fever help the body fight infection? | Fever is a response to help fight the infection by slowing the growth of bacteria. |
What does a sneeze do to help the body fight infection? | It is a barrier defense that forces the foreign material (like pollen or dust) out of the body to avoid illness. |
When we run or exercise, how does our body respond? | Our body’s heart and breathing rates increase to deliver more oxygen to the body. |
More people have free ear lobes than attached ear lobes. Based on what you know about genetics, what could explain this? | The trait to have free ear lobes is a dominant trait. |
How many alleles (genes) does a parent contribute for a trait? | One from each parent for a total of 2. |
What is the Law of Dominance by Gregor Mendel? | Traits exist in two forms and the dominant trait will mask the expression of the recessive trait. |
List examples of hereditary traits that can be genetically passed on from one generation to the next. | Hair type, hair color, dimples, eye color, shape of face, right handedness, left handedness, skin color |
Work the Punnett square below. If a heterozygous black rabbit (Bb) is crossed with a homozygous white rabbit (bb), what is the probability that an offspring will have black fur? | 50%
Bb, bb, Bb, bb |
The parent genotypes for hair color for two labs are: Father cc Mother CC
Work the Punnett square and then complete the possible genotypes and hair color of the offspring.
Homozygous recessive: _%
Homozygous dominate: __%
Heterozygous: | Cc
Cc
Cc
Cc
Homozygous recessive: _0_%
Homozygous dominant: __0__%
Heterozygous: _100_% |
List different types of asexual reproduction and give examples. | a.Fission-bacteria
b.Cuttings-ivy plant
c.Budding- potatoes, sponges |
__________ reproduction gives a greater variety of traits because there is more diversity from two parents | Sexual |
What does the use of the following letter codes for genotypes tell a geneticist?
a.BB-
b.bb
c.Bb- | a.BB-2 dominant alleles/ homozygous dominant
b.bb-2 recessive alleles/ homozygous recessive
c.Bb-1 dominant and 1 recessive alleles/ heterozygous |
What an organism physically looks like (tall, short) is an organism’s ____________ | phenotype |
A _________ is when genetic information does not copy correctly. | mutation |
Hair color, eye color, rolling your tongue, and dimples are all _______ passed from one generation to the next. | traits |
Traits for specific characteristics are carried on alleles located on genes on ____________. | chromosomes |
The ____1____ of the cell holds the ___2____, which is the genetic blueprint for the traits of an organism. | 1. nucleus
2. DNA |
When an animal has a ____1____ and recessive trait for black and white fur, the animal will show the dominant trait and have ___2___ fur. | 1. dominate
2. black |
The process by which organisms that are better adapted to their environment are more likely to survive and reproduce than organisms of the same species is known as _______ _________. | natural selection |
When race horses are bred for specific characteristics it is known as _______ ______. | selective breeding |
Plants have different signals for attracting pollinators. It is not uncommon for the same plant to have more than one signal. Name a few: | smell, color, patterns, texture |
Plants can be pollinated by _____, _________, and ______________. | wind, animals, and self- pollinated. |
One adaptation of the snowshoe hare is that it is ______ in the summer and _______ in the winter for camouflage. | 1. brown
2. white |
For question number 26, see target option | C. Albizia julibrissin |
For question number 27, see target option | H. Pusa hispida |