20 babies were born in the ward, 10 of them had blue eyes and the other 10 had brown eyes.
% of blue eyes babies is 50% and % of brown eyes babies is also 50% (10/20*100).
<h3>What is a Dominant trait? </h3>
Brown eye color gene is a dominant trait, and it can express itself in pure breed condition as well as impure breed condition.
Blue eye color gene is recessive and can only express itself in pure breed recessive condition, the dominant gene repress the expression of the recessive gene phenotypically, but the genetic makeup remains the same.
Hence, the blue-eyed babies have pure breed recessive genotype and brown eyed babies have pure breed dominant genotype or genotype.
Learn more about Dominant and recessive traits
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Biomolecule composed of amino acids and connected by peptide bonds is a protein
<u>Answer:</u>
The main function of the ozone layer is to block most of the sun's damaging rays from reaching Earth.
Option: (b)
<u>Explanation:</u>
- The stratosphere containing high level of ozone molecules about 30 km to 50 km altitude helps to absorb the sun's ultra violate rays.
- In its absence, it would be very difficult for anything to survive. Plants cannot live and grow as the UV light causes weakening of plants.
- It causes skin cancers. The increase in UV flux will lead to increase in sunburn, blindness, cataract, causing potentially death of animals and plants.
<span>Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, colored or colorless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.</span>
Answer:
The science of naming and grouping organisms is called systematics and the term taxa describes any of the groups of organisms.
Explanation:
Genealogy is the study of families, family history, and the tracing of their lineages. <em>Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kinship and pedigrees of its members.</em>
Numismatics is the study of the physical embodiment of various payment media (i.e. currencies). <em>The study of numismatics as it applies to coins is often in the research of the production and use of the coins to determine their rarity.</em>
Systematics, or Taxonomy, is the study of the kinds of organisms of the past and living today, and of the relationships among these organisms. <em>Systematists collect and study the variety of plants and animals and group them according to patterns of variation.</em>
<em>Speciation is an evolutionary process by which a new species comes into being</em>. A<em> species is a group of organisms that can reproduce with one another to produce fertile offspring and is reproductively isolated from other organisms.</em>
- <u>taxon - taxa:</u><em> a taxonomic group of any rank, such as a species, family, or class.</em>
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