LS3.A - Inheritance Of Traits - Level 3 Question Preview (ID: 62463)


LS3.A - Inheritance Of Traits - Level 3. TEACHERS: click here for quick copy question ID numbers.

molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell
a) messenger RNA (mRNA)
b) proteins
c) DNA
d) all of the answer choices

Cell division that produces reproductive cells in sexually reproducing organisms
a) meiosis
b) mitosis
c) transcription
d) daughter cells

changes in the genetic material
a) mutations
b) transcription
c) variations
d) chromosomes

cell division in which the nucleus divides to produce the same number of chromosomes
a) mitosis
b) meiosis
c) transcription
d) daughter cells

DNA segments that serve as the key functional units in the inheritance of genetic traits
a) genes
b) chromosomes
c) nucleotides
d) messenger RNA (mRNA)

A molecule made up of amino acids needed for the body to function properly. They are the basis of body structures, such as skin and hair, and of other substances such as enzymes, and antibodies.
a) proteins
b) DNA
c) cells
d) messenger RNA (mRNA)

A complex molecule containing the genetic information that makes up the chromosomes.
a) DNA
b) proteins
c) ribosomes
d) messenger RNA (mRNA)

threadlike structures made of DNA molecules that contain the genes
a) chromosomes
b) proteins
c) messenger RNA (mRNA)
d) nucleus

cell organelle that makes proteins
a) ribosomes
b) mitochondria
c) nucleus
d) cytoplasm

process whereby the DNA sequence in a gene is copied
a) transcription
b) translation
c) messenger RNA (mRNA)
d) inheritance

Structural changes to genes (mutations) located on chromosomes may affect proteins and may result in __________ effects to the structure and function of the organism.
a) harmful
b) beneficial
c) neutral
d) all of the answer chocies

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