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1
Parthenogenesis and Polyploidy in Mammalian Development
somes combine with the single haploid set of the spermatozoon to give the
pentaploid number. Apomictic analogue : Route i e, tetraploid parthenogenesis.
Genetic consequences for the maternal chromosomes are as in Route ie.
Pentaploidy ...
2
Animal Behavior Desk Reference: A Dictionary of Animal ...
-ploidy: diploidy, monoploidy, pentaploidy, polyploidy, tetraploidy, triploidy;
parthenogenesis: arrhenotoky hemialloploidy n. An organism's being “a polyploid
hybrid (allopolyploid) having chromosome sets derived from two species that are
not ...
3
The Encyclopedia of Fruit and Nuts
All species within section Caninae are polyploid, that is they have more than two
genomes, with 2n = 28, 35 or 42 chromosomes, x = 7, and with pentaploidy (2n =
35) as the most common. They also have a peculiar meiosis with uneven ...
Jules Janick, Robert E. Paull, 2008
4
Contributions from the Biological Laboratories in Princeton ...
cells of heteroploid axolotl larvae, covering the whole range from haploidy to
pentaploidy (Figs. 1 to 7, table 1). The maximum number of nucleoli visible in the
nuclei of any individual corresponds to the number of haploid chromosome sets.
5
Contributions from the Biological Laboratories in Princeton ...
cells of heteroploid axolotl larvae, covering the whole range from haploidy to
pentaploidy (Figs. 1 to 7, table 1). The maximum number of nucleoli visible in the
nuclei of any individual corresponds to the number of haploid chromosome sets.
Princeton University, 1942
6
Proceedings of the National Academy of Sciences of the ...
The astonishingly high frequency of pentaploidy, if it is substantiated by future
investigations, would indicate that pentaploidy could hardly be caused by the
chance union of a diploid egg, a diploid sperm and a second, haploid sperm, as
had ...
7
The Pearson Guide To The B.Sc. (Nursing) Entrance Examination
When a diploid female plant is crossed with a tetraploid male, the ploidy of
endosperm cells in the resulting seed is (a) pentaploidy (b)diploidy (c) triploidy (d
) tetraploidy 27. Pseudodominance may be observed in het- erozygotes for a (a)
...
8
Brain Tumors: An Encyclopedic Approach
Ploidyranges from hyperhaploidy to pentaploidy (Mandahl et al 2002). Although
loss (and gain) of genetic material from many different chromosomes occurs,
cytogenetic studies have identifiednosingle characteristic aberration (Mandahlet
al ...
Andrew H. Kaye, Edward R. Laws Jr, 2011
... is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting
seed is (1) Pentaploidy (2) Diploidy (3) Triploidy (4) Tetraploidy (CBSE 2004) 2. 3
. FILL M THE BLANKS As a result of the primary endosperm nucleus is formed.
10
Genetics: A Conceptual Approach
... traits in, 138–139, 138f, 143t proband in, 137, 138f symbols in, 137f X-linked
traits in dominant, 141–142, 141f, 143t recessive, 139–140, 141f, 143t Y-linked
traits in, 142, 143t Penetrance definition of, 103 incomplete, 103 Pentaploidy, 258
.
