Biology PACE Test 1107

Biology PACE Test 1107 Who formulated the theory of evolution? - ✔✔Charles Darwin Who laid the foundation for the science genetics. - ✔✔Gregor Mendel What is the study of inherited characteristics? - ✔✔Genetics What ...

Biology PACE Test 1107 Who formulated the theory of evolution? - ✔✔Charles Darwin Who laid the foundation for the science genetics. - ✔✔Gregor Mendel What is the study of inherited characteristics? - ✔✔Genetics What is the study of the development of unborn organisms? - ✔✔Embryology What is an offspring of plants with different expressions of the same trait? - ✔✔hybrid An organism's ________________ is its physical characteristic? - ✔✔phenotype An organism's ________________ is its genetic make-up. - ✔✔genotype A ______________ characteristic is a hidden one. - ✔✔recessive A ______________ characteristic is one that is evident in the appearance of the organism. - ✔✔dominant A _______________ cell contains different alleles for a trait. - ✔✔heterozygous A _______________ cell contains identical alleles for a trait. - ✔✔homozygous incomplete dominance - ✔✔both alleles of a genotype are evident in the phenotype hybridization - ✔✔breeding of two different plants or animals inbreeding - ✔✔breeding of two similar plants or animals male sex chromosome - ✔✔Y male body cells - ✔✔XY male reproductive organs - ✔✔testes female sex chromosome - ✔✔X female body cells - ✔✔XX female reproductive organs - ✔✔ovaries Most _____________ are harmful to the organism. - ✔✔mutations Induced mutations are caused by _____________. - ✔✔mutagens The two types of mutations are ___________ mutations and _____________ mutations. - ✔✔chromosome....gene The term genetic ____________refers to the total number of defective genes in a population. - ✔✔load A plant with _______________ is studier and more resistant to disease. - ✔✔hybrid vigor The two new cells formed when a cell divides are called ______________ cells. - ✔✔daughter Each human body cell contains ____________ chromosomes, or ___________ pairs. - ✔✔46.......23 Each human gamete contains ______________ chromosomes. - ✔✔23 Where can we find answers to moral questions? - ✔✔in the Bible Love is not an ____________, but a conscious _____________. - ✔✔emotion ... choice The phase between cell divisions is called ______________. - ✔✔interphase List the steps of mitosis in the order in which they occur. Begin and end with interphase. - ✔✔a) interphase b) prophase c) metaphase d) anaphase e) telophase f) interphase AIDS, for which there is no cure, is a disease which destroys the body's ________ system. - ✔✔immune What three things did God's plan for sexual reproduction of humans include? - ✔✔God's plan for sexual reproduction of humans included reproduction, pleasure, and the establishment of a permanent bond between husband and wife. In the genotype Aa, A is the ____________ trait, and a is the _____________ trait. - ✔✔dominant ....recessive If a homozygous purple cow (PP) were mated with a homozygous white bull (pp), the phenotype of all the offspring would be ______________, and their genotype would be ____________. - ✔✔purple.....Pp If the offspring cows from the preceding exercise were mated, their offspring would have a ratio of 3 __________________ and 1 ______________ phenotypes, and genotypes of ___________, __________, ____________, and __________. - ✔✔purple.....white.....PP.....Pp.....Pp.....pp mitosis - ✔✔process which replaces human cells meiosis - ✔✔process by which gametes are produced fertilization - ✔✔moment at which life begins embryo - ✔✔unborn organism from fertilization until birth zygote - ✔✔unborn human before end of second month of life chromosomes - ✔✔unborn human before end of second month of life placenta - ✔✔contain genetic codes umbilical cord - ✔✔contains arteries and veins that carry baby's blood to placenta haploid - ✔✔cell containing one of each pair of chromosomes diploid - ✔✔cell containing normal number of chromosome pairs 3 months - ✔✔life span of a human body cell 40 weeks - ✔✔length of time for complete development of human embryo