Which is the CORRECT statement regarding spermatogenesis and oogenesis: spermato

Question

Which is the CORRECT statement regarding spermatogenesis and oogenesis: spermatogenesis starts during embryogenesis and continues throughout life spermatogenesis produces one viable sperm and 3 polar bodies for each cell that undergoes meiosis is starts during embryogenesis and produces only one egg per cell that under meiosis once puberty is reached the viable oogenesis process starts during puberty and produces 4 equally viable ova per cell that undergoes meiosis If teeth length in a particular species is determined by a single allele A for long and allele a for short, then if the alleles gene with exhibited co-dominance, a HETEROZYGOUS dog would show what type of teeth? Some long and some short teeth all medium length teeth all misshapen teeth some individuals would show all long teeth, while some individuals would show all short teeth Two genes, A and B are known to be linked on the same chromosome with a 12% recombination frequency between them. Both the dominant alleles are known to be linked on the same chromosome, and both the recessive alleles (a, b) are located on the other homologue. Which of the following is the correct expected frequencies of the gametes produced by this individual? 25% AB, 25% ab, 25% Ab, 25% aB 12% AB, 12% ab, 38% aB, 38% Ab 44% AB, 44% ab, 6% aB, 6% Ab 6% AB, 6% ab, 44% aB, 44% Ab Which of the following is FALSE about the F factor: it is necessary for transformation to occur it contains fertility genes cell it can exist as a separate plasmid or integrate into the main chromosome of a cell to be an Hfr it can transfer a whole new copy of itself to a recipient bacterial cell by rolling circle replication Which of the following processes involves the uptake of naked DNA and integration of a single strand into the host genome? transformation transduction conjugation plasmid factor

Explanation / Answer

ANSWER) 22 the answer will be c because the oogenesis starts during embryogenesis and produces only one viable cells that unndergo meiosis once puberty is reached.

ANSWER 23) THe heterozygous contain the alleles Aa in the case of co- domminance both will equally expressed so answerwill be A some log teeth some short teeth.

ANSWER 25) The false staemment will be A because it doesnot invovve in transformation and F factor is factor of fertility.

ANSWER 26) answer is A transformation is the process in which the naked DNA can be taken from the outside environment of the cell.

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