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Sloan [31]
3 years ago
15

The french biologist lamarck proposed that

Biology
1 answer:
VashaNatasha [74]3 years ago
8 0
Species change over time ......
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In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
slega [8]

Answer:

1:1:1:1 walnut comb

Explanation:

If a cross is made between a female who is RRpp (rose comb) and a male who is rrPP (pea comb)  then:

P: RRpp  x  rrPP

F1: RrPp RrPp RrPp RrPp

This means that all of the offspring in F1 generation will have heterozygous genotype (at both loci). Since it contains both dominant alleles, the phenotype is walnut comb.

4 0
3 years ago
Im taking a test need answer R is for round
algol13

Answer:

0%

Explanation: Because the dominant will overrule each time, all offspring will be heterozygous

3 0
4 years ago
¿Cuál es el impacto que tienen las sociedades industrializadas al generar una gran
vladimir1956 [14]

Answer:

Las sociedades industrializadas generan una gran cantidad de productos que no son imprescindibles para el ser humano, por lo que se usan un tiempo y son desechados.

6 0
3 years ago
What does cellular respiration have to do with homeostasis?
GREYUIT [131]
Cellular respiration is the term given to the metabolic reactions responsible for the conversion of biochemical energy in nutrients to adenosine triphosphate (ATP) with the generation of waste productions. ATP is required to provide the chemical energy to reactions in the cell that maintain homeostasis.
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Define gestation period<br>​
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Gestation period is the fetal development period from the time of conception until birth.

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