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Answer- Capital letter 'TT'.

Answer- small letters 'tt'.

It is a monohybrid cross. Example – when two hybrids tall Pea plants cross bred with each other, they will produce three tall plants and...

In the F1 generation, all plants produced will be tall and in F2 generation three tall plants and one dwarf plant will be produced.

Answer- (a) Tall plant. (b) Dwarf plant. (c) Female. (d) Male.

The sex of a child depends on what happens at fertilization: (a) If a sperm carrying X chromosome fertilizes an ovum (or egg) which...

Answer- The chromosomes which determine the sex of a person are called sex chromosomes. There are two types of sex chromosomes ? X and Y...

Answer-The advantage of variation to a species is that it increases the chances of its survival in a changing environment.

Answer- The characteristics or traits in animals and plants are controlled by genes. For example the transmission of color of hair from...

Answer- Snails: This indicates that sex is not determined genetically in some animals.

1) TT 2)Tt 3) tt Answer- 1)Tall plants: These plants are tall due to the presence of both the dominant genes. 2) Tt will have...

Answer- Sex; Female; male

Answer - four.

Answer- 23; 46.

Answer- Free; attached.

Answer- Recessive; Dominant.

Answer- pairs.

Answer- A, B, AB and O.

Answer- pea plant.( Pisum sativum).

Answer- Gregor Mendel.