Answer:
Copy number variations (CNVs)
Explanation:
Copy number variations (CNV) are variations in the number of copies of specific nucleotide sequences present in the genome of organisms of the same species (or closely related species). The Human Genome Project showed that the human genome contains many CNVs, which are caused by duplications and deletions (indels) of large regions of repetitive (non-coding) DNA regions. Since CNV are usually localized in non-coding DNA regions, they generally are evolutionary neutral (i.e., prone to diverge among organisms) and therefore don't affect the phenotype of the individual. Single Nucleotide Polymorphisms (SNPs) represent another type of sequence variation that is abundant across the human genome.
Answer:
0%
Explanation
all offspring will be hererozygous (Tt) it order for one of the offspring to have a long tail it would have to be (tt) and TT x tt cant make that
Answer:
karyotype is the array of chromosomes possessed by a certain specie or by an individual.
it can be used to study human chromosome by facilitating information on the type or array of the chromosomes, hence knowing the data, characteristics and effects of such a chromosome
Explanation:
Answer:
Monospermy and Physiological Polyspermy. In general, the entry of more than two spermatozoa into the egg cytoplasm, referred to as polyspermy, causes aberrant effects on meiosis completion or embryo development and hence embryonic death, due mainly to excess male centrosomes delivered into the egg.
Explanation:
The probability of Sean to both sing and dance well is 50%.
<h3><u>Explanation:</u></h3>
The gene that is dominant is expressed in phenotype of the individual and the genes are actually obtained from the parents.
Here two characters are mentioned which are singing and dancing.
The dominant character i.e able to sing is marked by gene S and the corresponding recessive allele is marked by gene s.
Similarly, the ability to dance is marked by gene D and recessive allele is marked by gene d.
So, the mother is heterozygous and she can sing well, but can't dance. So her genotype is Ssdd.
The father can't sing and is homozygous, so his genotype is ssDD.
Gametes from the mother is Sd and sd. While the gamete from the father is sD.
So the probabilities of the progenies are SsDd and ssDd.
So the probability of Sean to both sing and dance well is 50%.