Organisms that have two identical alleles for a particular trait are said to be ____.
homozygous
The process of making changes in the DNA code of a living organism is called ____.
Genetic engineering
Chapter 13:
What nitrogenous base is NOT found in DNA?
Uracil
Biogeography is the study of ____.
where species and their ancestors live
An infectious disease is one that is caused by ____.
pathogens
Which scientist made x-ray diffraction photos of DNA?
Franklin
What form(s) a Barr body?
one of the X chromosomes in a female cell
Anna, Elsa Kristoff and Olaf are all characters in what animated movie?
“Frozen”
Darwin explained that evolution occurred by a mechanism called ______
Natural Selection
A tail that is adapted for grasping and holding objects is ____.
prehensile
How many main types of RNA are there?
3
What does polyploidy do to animals?
kills them/harms them for life
What actor plays Ken in the 2023 blockbuster movie “Barbie?”
Ryan Gosling
Organism survive and reproduce due the ________ they experience and go through.
Adaptations
Vertebrates have skeletons that are ____.
internal/ inside the body
Most mutations ____.
have no effect on an organism
Gametes with an abnormal number of chromosomes may form as a result of nondisjunction during the process of ______.
meiosis
Chapter 18:
The genes carried by all members of a particular population make up the population's ____.
Gene Pool
What are the three types of reproductive isolation?
Temporal Isolation
Behavioral Isolation
Geographic Isolation
Your body regulates sugar levels to maintain homeostasis. The pancreas releases insulin and glucagon. Insulin helps to lower blood sugar levels in your blood. After eating some halloween candy, this situation is an example of ____ feedback.
Negative
What principle states that during gamete formation genes for different traits separate without influencing each other's inheritance?
principle of independent assortment
There are 3 alleles for human blood type, though only 2 are inherited. This is an example of (a/an) ____.
multiple alleles
What was Taylor Swift's first song to chart on the Billboard Hot 100?
“Tim McGraw”
The situation in which allele frequencies in the gene pool of a population remain constant is called ____.
Genetic Equilibrium
The heart is formed by a variety of nervous tissues and connective tissues. The tissues are highly organized and work together to complete a variety of tasks. How is the brain classified?
Organ