Module 4 Quiz Flashcards
Which is TRUE about genes during development?
Only a SMALL percentage of the genome is expressed in each cell
Which of the following describes GENE AMPLIFICATION?
SELECTIVE increase in the number of copies of a gene
POLYTENE chromosomes can be found in ____
Fruit fly salivary gland cells
LAMPBRUSH chromosomes occur in ____
North American newt oocytes
Which is NOT true about reticulocytes
contains RESIDUAL DNA
Which is NOT true about reticulocytes
contains RESIDUAL DNA
Which of the following molecules does NOT involve energy-dependent transport in the NUCLEOCYTOPLASMIC interactions?
Small molecules
Cells that can develop into any kind of cell
Pluripotent and Totipotent
Refers to stem cells (SCs) that give rise to connective tissues in mammals.
mesenchymal SCs
Refers to stem cells (SCs) that give rise to blood cells in mammals
hematopoietic SCs
The process by which DIFFERENTIATED cells are organized into a hierarchy of TISSUES, ORGANS, and ORGAN SYSTEMS
morphogenesis
The process by which ONE GROUP of cells send out SIGNALS that can guide how the DIFFERENTIATION process is carried out
Induction
Which of the following GENS is involved in the development of PARATHYROID GLAND in mice?
HOX15
This gene provides instructions for making a protein involved in MALE-TYPICAL SEX DEVELOPMENT
SRY
A cross between a heterozygous (Aa) pigmented female flour moth and a homozygous (aa) non-pigmented male flour moth results into:
1Aa Pigmented : 1 aa non-pigmented
A cross between a homozygous (aa) non-pigmented female flour moth and a heterozygous (Aa) pigmented male flour moth results into:
1 aa (non-pigmented) : 1 Aa (pigmented)
A cross between a dextral (DD) female freshwater snail and a sinistral (dd) male produces
all dextral offspring
A cross between a female parent of a 4 o’ clock plant with variegated leaves and a male parent with green leaves produces
green, white, or variegated offspring
What is TRUE about Kearns-Sayre Syndrome (KSS)?
Accumulation of pigments in retina
Which is TRUE about mitochondrial DNA inheritance?
Offspring show the characteristics of their female parent
Gradiation of coat color in horses is an example of a
Continuous trait
Hairline in humans is an example of a
Meristic trait
A variation that represents the interaction between alleles
Dominance variation
A variation that represents the interaction between genes at two or more loci
Additive variation
