A) differentiation B) immunity C) evolution D) heredity
A) environment of the organism B) nutritional habits of the organism C) type and order of amino acids D) availability of starch molecules
A) gene insertion B) differentiation C) cloning D) selective breeding
A) reproductive cells composed of molecular bases B) coiled strands of genetic material C) folded chains of bonded glucose molecules D) large molecules that have only one function
A) genetic engineering B) asexual reproduction C) natural selection D) habitat modification
A) The gene for insulin is a sequence of five different molecular bases while the gene for testosterone is a sequence of only four differentmolecular bases. B) The gene for insulin is turned ON in liver cells, but the gene for testosterone is not C) The gene for insulin has a different sequence of molecular bases than the gene for testosterone. D) The gene for insulin is replicated in vacuoles, while the gene for testosterone is replicated in mitochondria
A) only the DNA in certain cells will replicate B) DNA is functional in only 10% of the cells of the body C) some of the DNA in some of the cells will be removed by chemical reactions D) different groups of cells containing the DNA may be exposed to different environmental conditions, for example, more food for one but not the other
A) fertilization → meiosis → mitosis B) fertilization → mitosis → meiosis C) mitosis → fertilization → meiosis D) meiosis → fertilization → mitosis
A) meiotic cell division B) recombination C) zygote formation D) mitotic cell division
A) replication and cloning B) overproduction of offspring and competition C) the need to adapt and maintain homeostasis D) sorting and recombining of genes in meiosis
A) produced more reproductive cells than the male panthers in Texas B) mated only with panthers from Texas C) solved the reproductive problems of the species by asexual methods D) increased the genetic variability of the panther population in Florida
A) an adaptation that will be passed on to other types of cells in the body B) increased variation in the type of organelles present in the cell C) rapid evolution of the organism in which the cell is found D) a mutation that will affect the synthesis of a certain protein in the cell but not the offspring
A) mitosis to produce a larger population B) internal fertilization to produce an embryo C) fusion of eggs and sperm to produce zygotes D) meiosis to produce gametes
A) a majority of oranges with seeds and only a few oranges without seeds B) oranges without seeds, only C) oranges and other kinds of fruit D) oranges with seeds, only
A) It will not be affected by any medication taken by the mother B) It is not affected by conditions outside the embryo. C) It is affected primarily by the eating habits and general health of the mother. D) It is affected primarily by the eating habits and general health of the father.
A) Offspring have a combination of genes from both parents. B) The cells produced by a zygote usually have different genes. C) As an embryo develops, various tissues and organs are produced. D) Replicated chromosomes separate during gamete formation.
A) a virus aimed to cure cancer that mutates and causes humans to become monster-like B) the strange effects mannequins can have on people C) a dog named Samantha and how she helps her owner overcome obstacles D) a cancer that mutates and becomes elegant and beautiful
A) cannot be passed on to offspring B) usually lead to the death of the organism C) are usually beneficial to the organism D) lead to more serious mutations in offspring
A) Each cell has pairs of chromosomes and the cells are usually genetically different. B) Each cell has half the normal number of chromosomes and the cells are usually genetically identical. C) Each cell has half the normal number of chromosomes and the cells are usually genetically different. D) Each cell has pairs of chromosomes and the cells are usually genetically identical.
A) synthesize the same proteins and enzymes as the entire colony is cloned from the original B) express adaptations unlike (different than) those of the other cells C) replicate different numbers of genes D) have a resistance to different antibiotics
A) make carrying a fetus impossible B) affect the production of eggs C) decrease her ability to provide essential nutrients to an embryo D) make fertilization impossible
A) ovary B) placenta C) progesterone D) estrogen
A) provide plenty of testosterone for her well-being B) are easily digestable C) carry progesterone and fool the mother's body into thinking it is already pregnant D) are made up of nutrient-rich sugars
A) causing mutations in the bacteria B) producing toxins that compete with bacterial toxins C) inserting part of their DNA into the bacterial cells D) engulfing (devouring) and digesting the bacteria whole
A) it takes a very long time to begin injecting its viral RNA code into the hosts' cells B) provides immediate immunity to other diseases C) hijacks cells into making more viruses leaving the host defenseless to disease D) automatically causes AIDS |