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SpyIntel [72]
3 years ago
7

When did Homo sapiens first evolve

Biology
2 answers:
Mila [183]3 years ago
8 0

Answer:

They first evolved 300,000 years ago.

Explanation:

Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.

vlabodo [156]3 years ago
5 0

Answer:

300,000 years ago

Explanation:

Homo sapiens evolved from their early hominid predecessors between 200,000 and 300,000 years ago and developed a capacity for language about 50,000 years ago.

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Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.

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As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.

According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).

The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.

When they are crossed, they will produce two different phenotypes in the offsprings.

Refer punnett square.


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