Question

4. (i) Explain the following terms:
1. Monohybrid cross
2. Gene
3. Phenotype.
(ii) Name the two sex-linked diseases in
males.
(iii) State Mendel's law of segregation.​

Answer 1

Answer:

2) Gene is made up of two types of allele

first one is DOMINENCE (TT) and second is recessive (tt).

3) Phenotype:- Phenotype is a visual appearance.

that properties of plant we can see by our eyes like:- the size of the plants ,

The place where pods are growing.

ii)Hemophilia A and hemophilia B

iii)The meaning of segregation is separation.

The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860s. One of these principles, now called Mendel's Law of Segregation, states that allele pairs separate or segregate during gamete formation, and randomly unite at fertilization. ... Organisms inherit two alleles for each trait.

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Answer 2

Explanation:

answer is in the attachment