Liberty University BIOL 101 quiz 12 complete solution correct answer key
In the case of incomplete dominance, the combinations of alleles AA, Aa or aa can result in how many different phenotypes?
In the phenotype of an individual, a dominant allele
During meiosis I, both the two homologous chromosome pairs and the pairs of Mendelian alleles
In the cross between individuals having genotypes Aa and aa, how many kinds of offspring can emerge from this cross?
In a dihybrid cross the breeder is studying two _______ at a time.
In the karyotype of Drosophila melanogaster and most other organisms as well, the pairs of chromosomes not involved in determining the sex of the organism are called
In Mendel’s approach to plant breeding he was a(n) ___________; this term indicates that his questions were answered by good observations and experiments.
When male and female flies are crossed to each other, the X chromosome that is in half of the male fly’s sex cells (sperm)
During the formation of an individual’s sex cells, pairs of alleles come apart. This principle is
Which of the following choices would best describe the phenotype of a Bb individual?
If two genes are linked they will
Which of the following choices would best describe the genotype of a Bb individual?
Mendel’s experimental approach to plant breeding resulted in
In epistasis, the phenotype produced by the alleles of one gene locus
In sex cell formation, Mendel’s second law (independent assortment) works because
In a cross between individuals of genotype TtYy and ttyy, sex cells from the ttyy individual will all have t and y alleles. So they will reveal whatever alleles are present in any sex cell coming from the other parent—whether TY, tY, Ty or ty. So, how many different phenotypes can result from this cross? (TtYy X ttyy)
A bb individual is ___________ for a __________ allele.
Mendel’s view of plant breeding that resulted in the discovery of his laws could best be described by the principle
In the phenomenon of co-dominance in blood types, two or more different alleles are ___________ while another allele is ____________ because it is not expressed at all.
The karyotype of Drosophila melanogaster contains 4 pairs of homologous ___________.
In pea plants, the allele controlling tallness (T) is completely dominant over its alternative allele controlling shortness (t). Which of the following crosses will yield short (tt) and heterozygous tall (Tt) pea plants in approximately equal numbers?
Mendel’s approach to plant breeding resulted in the discovery of his laws because he
When two individuals, both with genotype RrYy are crossed to each other, all possible genotypic combinations are produced in the offspring: RRYY, RRYy, RRyy, RrYY, RrYy, Rryy, rrYY, rrYy and rryy. Score each genotype’s phenotype to determine how many visible kinds of offspring--phenotypes—do these 9 genotypes represent?
Genes that are on opposite ends of the same long chromosome will probably
The appearance of a trait is referred to as its
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