7 ) What is found when alleles among different human groups are analyzed ? A ) There are many race - specific alleles and several consistent patterns of allele frequencies within racial groups . B ) There are no race - specific alleles and no consistent patterns of …
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Sep 04, 2020 · Question 34 2 out of 2 points What is found when alleles among different human groups are analyzed? Correct Answer: c. There are no race-specific alleles and no consistent patterns of allele frequencies.
A severe fire or flood kills 90% of a population of squirrels in a forest. The remaining squirrels evolve into a population quite distinct from the original. In another forest, a bacterial infection kills 90% of the squirrels in the forest and the remaining squirrels also evolve into a distinct population. The first instance is considered genetic drift and the second is natural selection.
Allele. - An allele is a variant form of a gene. - Some genes have a variety of different forms, which are located at the same position, (genetic locus) on a chromosome. - Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.
These small differences contribute to each person's unique physical features. A locus (plural loci), in genetics, is the specific location or position of a gene in a DNA sequence that is a part of a chromosome.
Tap card to see definition 👆. A locus (plural loci), in genetics, is the specific location or position of a gene in a DNA sequence that is a part of a chromosome. Each chromosome carries many genes; humans' estimated 'haploid' protein coding genes are 20,000-25,000, on the 23 different chromosomes.
PLAY. - A gene is a locus (or region) of DNA that encodes a functional RNA or protein product. - A gene is the basic molecular (physical and functional) unit of heredity. Genes, which make up DNA, act as instructions to make molecules called proteins.
The Human Genome Project has estimated that humans have between 20,000 and 25,000 genes. - Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes (less than 1 percent of the total) are slightly different between people.
Occasionally, DNA mutations occur in germ cells - cells destined to become eggs or sperm. In this case, the DNA mutation is copied into every new cell of the growing embryo following fertilisation. In this way, new DNA variants are passed on to the next generation. homozygous and heterozygous alleles.
gene. - A gene is a locus (or region) of DNA that encodes a functional RNA or protein product. - A gene is the basic molecular (physical and functional) unit of heredity. Genes, which make up DNA, act as instructions to make molecules called proteins.