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lucky the biologist
Feb 15, 20221 min read
A new born child has an XY pair of chromosomes. Will it be a baby boy or a baby girl ?
Answer- baby boy.
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lucky the biologist
Feb 15, 20221 min read
State if it is true or false :The sex of an infant is not a case of inheritance of characteristics?
Answer- false.
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lucky the biologist
Feb 15, 20221 min read
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lucky the biologist
Feb 15, 20221 min read
what are the chromosomes xy and xx known as?
Answer- these are also known as sex chromosomes.
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lucky the biologist
Feb 15, 20221 min read
Which of the two, sperm and ova, decides the sex of the child?
Answer- sperm decides the sex of the child.
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lucky the biologist
Feb 15, 20221 min read
Name one variation in humans connected with Ear?
Answer- free earlobes.
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lucky the biologist
Feb 15, 20221 min read
Which of the following processes involves maximum variations in the variations?
Answer- sexual reproduction.
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lucky the biologist
Feb 14, 20221 min read
How do the creation of variation in the species promote survival?
Answer- During reproduction copying of DNA takes place, which is not 100% accurate, thereby causing variation. If these variations are...
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lucky the biologist
Feb 14, 20221 min read
Question: what do you meant by heredity? who is its founder?
Answer- heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their...
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lucky the biologist
Feb 14, 20221 min read
Question: the traits in an organism is influenced by?
Answer- both maternal and paternal DNA.
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lucky the biologist
Feb 14, 20221 min read
Question: the process through which character is passed from one generation to another is called?
Answer- inheritance
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lucky the biologist
Feb 14, 20221 min read
what result did Mendel found in his first experiment?
He found that each trait was inherited independently of the other and produced its own 3:1 ratio. This is the principle of independent...
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lucky the biologist
Feb 14, 20221 min read
what is heredity?
heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring.
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lucky the biologist
Feb 14, 20221 min read
what is gamete ?
reproductive cell consists only one set of dissimilar chromosomes.
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lucky the biologist
Feb 14, 20221 min read
what is recessive allele?
An allele, which get masked in the presence of another allele of that gene. it is represented by a small letter like 't'.
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lucky the biologist
Feb 14, 20221 min read
dominant allele
An allele, whose phenotype will be expressed even in the presence of another allele of that gene. it is represented by the capital letter...
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lucky the biologist
Feb 14, 20221 min read
what is trait?
an inherited character which is normally inherited and has its detectable variant too. example: tall and dwarf are traits of a character,...
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lucky the biologist
Feb 14, 20221 min read
what is character?
the feature or characteristic of an individual like height, color, shape ,etc
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lucky the biologist
Feb 14, 20221 min read
what are chromosomes ?
A long thread like-structure in the nucleus. it appears during cell division and carries genes. Each chromosome is made of protein and a...
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lucky the biologist
Feb 14, 20221 min read
what is dihybrid cross?
dihybrid cross is the cross in which two character are studied at a time. A dihybrid cross is a cross between two individuals that are...
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