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