1.which of the following was not hypothesized through Mendel\'s studies of garde

ID: 68359 • Letter: 1

Question

1.which of the following was not hypothesized through Mendel's studies of garden pas?

a.random uniting of two gametes at fertilization?

b.complete dominance/recessive relationships between gene alleles

c.gene linkage

d.results of genetic crosses reflect basic rules of probability

e.parental traits do not become mixed and forever lost in the offspring

2.Mendel's law of ____________states that during gamete formation, different pairs of alleles from different genes distribute independently of each other.

a.product

b.sum

c.segregation

d.recombination

e.independent assortment

3.The domestication of plants and animals is brought about through:

a.independent assortment

b.artificial selection

c. genetic drift

d.random segregation

e.random mutation

4.Two individuals with the genotype AaBb are crossed, where the dominant alleles are both (A and B) are required for pigment production. If they have two offspring, what is the probability the first will have a pigment and the second will lack pigment.

a.0

b.3/16

c.9/16

d.63/256

e.81/256

5.A grey rat is bred with true-breeding white rat. Five offspring are produced. One is a black male, two are white males, and two are grey females. This most likely indicates:

a.the black allele is sex-linked

b.a single gene is involved with the black allele being dominant.

c.a single gene is involved with white allele being recessive

d.a single gene is involved with the grey allele being dominant

e.none of the above

6.A method of discovering whether a particular phenotype in two different individuals arises from mutations in the same or separate genes is through a ___________test.

A. heterogeneity

b.homogeneity

c.mutation

d.comprehension

e.epistasis

7.Which of the following does NOT occur during mitosis in Animal cells?

a.sister chromatids attach to spindle fibres from opposite pols

b.homologous chromosomes pair along their length

c. centromeres move apart towards opposite poles

d. centromeres move apart towards opposite

e.all of the above occur during mitosis

Explanation / Answer