Answer:
A Mutation is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
Explanation:
Answer: true
Explanation:
Organisms within a population must compete for resources to survive. T: The least-equipped organisms may not survive. ... -A process by which an organisms better adapted to their environment tend to survive, reproduce, increase in number, and pass their traits to succeeding generations.
Albinism is a recessive trait. A man and woman who both have normal pigmentation have one child out of three who has albinism (without melanin pigmentation). The genotypes of this child's parents: (C) Both parents must be heterozygous.
Albinism is an autosomal and not a sex-linked recessive trait.
Only homozygous recessive (aa) offspring will be albino, both homozygous dominant (AA) and heterozygous dominant (Aa) offspring will possess the normal phenotype.
Since it is given that both the father and the mother have normal pigmentation, thus they must both have the genotype Aa.
From the Punnett square it can be observed that a cross between the parents would result in the creation of three offspring with the normal genotype (one with AA and two with Aa) and one offspring with the genotype aa (albino).
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Answer:
Linnaeus considered to the species as fixed entities, which is a concept contrary to the Darwin's theory
Explanation:
In Darwin's theory, species evolve by the survival of the fittest, thereby this process leads to genetic modifications which are inherited in the next generations
Explanation:
anther is where the pollen is located.
The ovary contains the ovules, which need to be fertilized in order to produce a seed.
the flower is reproductive part of the part cause The primary purpose of a flower is reproduction. Since the flowers are the reproductive organs of plant,