Meiosis & Mitosis

a diploid cell of a normal human male contains ____

22 pairs of autosomes, one X-chromosome, and one Y-chromosome

occasionally during meiosis, a single homologous chromosome pair may fail to separate. A human gamete produced by such a nondisjunction would have a chromosome number of ____

24

which sequence represents the process of meiosis correctly?

2n-> n

if the diploid number is 8, the original chromosome number in the gamete is ______

4

what is the normal number of chromosomes in a human zygote?

46

the gamete produced in the ovary of an animal is the _____

egg cell

meiotic cell division in animals is directly responsible for the_______

formation of gametes

what situation is a result of crossing-over during meiosis?

genes are rearranged, increasing the variability of offspring

a change in the sequence of nucleotide within a gene is known as a gene_______

mutation

which is the result of normal meiosis and fertilization in humans?

new gene combinations

Which basic genetic concept states that chromosomes are distributed to gametes in a random fashion?

segregation