DNA, Reproduction, Genetics Flashcards
(21 cards)
Mutations are a change in a gene that results in a change in the ________ that is made
Proteins
What is organized DNA called?
Chromosome
Humans have ______ pairs of chromosomes - ______ in total in each body cell
23, 46
Genetic engineering has produced goats whose milk contains proteins that can be used as medicines, this effect was produced by…
Inserting foreign genes into fertilized goat eggs
DNA is made of segments called
Genes
A certain chromosome in humans contains genes that affect eye color. The chromosome is located in the ______ of ______ cells
Nucleus, all body
A ____ is organized____. Segments of DNA are called ____. Genes code for proteins. Proteins determine your ____ and support body function
Chromosome, DNA, genes, proteins, traits
A dog gave birth to 5 puppies what percentage of the chromosomes does each puppy share with the mother
50%
ATC
TAG
The primary advantage of sexual reproduction is that the offspring are genetically _____
Different (diverse)
DNA codes for
Proteins
The process of moving a gene from one organism to another organism is called a _____.
Generic engineering
Aa, DD, Bd, yy, are all examples of _______
Genotypes
Which term refers to a farmer choosing the best corn from this year to plant next year
Selective breeding
Each gene consists of 2 ____
Alleles
Evidence shows that the wolf is the ancestor to all of the breeds of dogs. How did this variation arise in a relatively short period
Selective breeding
Genetic information usually flows in one specific direction which of the following best represents this flow
Genes —> proteins
Most mutations are _____
Neutral
A source of genetic variation within a species
Mutation
Tay-Sachs disease is caused by a ____ in a _____ that produces a _____ that is supposed to dissolve fat on a baby’s brain
Mutation, gene, protein
Which of the following cellular structure store the instructions that determine the color of a cats fur
Chromosomes
