Every individual of the progeny is expected to phenotypically resemble the first parent.
What is a phenotype?
- The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
What is Law of dominance?
- Mendel proposed that in a pair of dissimilar factors, one dominates the other and hence is called the dominant factor while the other factor is recessive.
What is law of independent assortment?
- Mendel's law of independent assortment states that, "the alleles of two (or more) different genes get sorted into gametes independently of one another.
- In other words, Though the parents contain two alleles during gamete formation, the factors or alleles of a pair segregate from each other such that a gamete receives only one of the two factors.
- A homozygous parent produces all gametes that are similar while a heterozygous one produces two kinds of gametes each having one allele with equal proportion.
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The answer is D
Explanation: In humans, recessive sex-linked traits generally occur on the X chromosome. Since males are (XY), they will inherit only one sex-linked allele on their X chromosome.
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Answer: yes
Explanation: The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside world, and embodies the essence of the mind and soul. Intelligence, creativity, emotion, and memory are a few of the many things governed by the brain.
The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.
Macromolecules are a set collection of polymers that composes most of the organic substances specifically in the organelles of cells. Thus, these organelles use lipids and proteins in doing cellular activity and keeps them functioning. Observe nitrogen and carbon, these two entities are called elements that are composed of atoms. Elements are the basic composition of a substance. Going back, examples of molecules could be nucleic tides, polypeptides, RNA, protein, lipids and etc. <span>
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Carbohydrates
Lipids
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The question is incomplete, the complete question is;
Penetrance and expressivity are related to
A. the expression of a dominant phenotype in a heterozygote.
B. the increased expression of a particular trait when a hybrid species is formed.
C. the expression of one gene masking the effects of another gene.
D. quantitative traits that diminish or intensify a particular phenotype.
E. the influence of environment on the expression of a particular genotype.
Answer:
the influence of environment on the expression of a particular genotype.
Explanation:
In genetics, we define penetrance as the proportion of individuals in a given population carrying a particular gene/allele which leads to the expression of the particular trait associated with that gene/allele.
Expressivity is defined as the degree of expression of a given phenotype by individuals who possess a particular genotype. Expressivity shows the extent of variation in expression of genes by individuals having a particular genotype.
Both penetrance and expressivity has to do with the influence of environment on the expression of a particular genotype.